diff --git a/demo/demo/agents/agent_base.tscn b/demo/demo/agents/agent_base.tscn
index c6aa4f1..c6fe990 100644
--- a/demo/demo/agents/agent_base.tscn
+++ b/demo/demo/agents/agent_base.tscn
@@ -10,6 +10,12 @@
 [ext_resource type="Script" path="res://demo/agents/scripts/hitbox.gd" id="5_taq6b"]
 [ext_resource type="Script" path="res://demo/agents/scripts/hurtbox.gd" id="6_jnvxm"]
 
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_2k81i"]
+size = Vector2(130, 35)
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_26abe"]
+size = Vector2(80, 35)
+
 [sub_resource type="Curve" id="Curve_noh01"]
 _data = [Vector2(0, 0.010989), 0.0, 0.0, 0, 0, Vector2(0.151111, 1), 1.3559, 1.3559, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
 point_count = 3
@@ -37,12 +43,6 @@ scale_min = 0.8
 scale_max = 1.2
 scale_curve = SubResource("CurveTexture_sb0wp")
 
-[sub_resource type="RectangleShape2D" id="RectangleShape2D_2k81i"]
-size = Vector2(130, 35)
-
-[sub_resource type="RectangleShape2D" id="RectangleShape2D_26abe"]
-size = Vector2(80, 35)
-
 [sub_resource type="CircleShape2D" id="CircleShape2D_0c228"]
 
 [sub_resource type="Animation" id="Animation_nvm4d"]
@@ -266,7 +266,7 @@ tracks/17/keys = {
 tracks/18/type = "value"
 tracks/18/imported = false
 tracks/18/enabled = true
-tracks/18/path = NodePath("Root/FX/Cloud:visible")
+tracks/18/path = NodePath("FX/Cloud:visible")
 tracks/18/interp = 1
 tracks/18/loop_wrap = true
 tracks/18/keys = {
@@ -338,7 +338,7 @@ tracks/23/keys = {
 tracks/24/type = "value"
 tracks/24/imported = false
 tracks/24/enabled = true
-tracks/24/path = NodePath("Root/FX/Death:emitting")
+tracks/24/path = NodePath("FX/Death:emitting")
 tracks/24/interp = 1
 tracks/24/loop_wrap = true
 tracks/24/keys = {
@@ -1133,7 +1133,7 @@ tracks/17/keys = {
 tracks/18/type = "value"
 tracks/18/imported = false
 tracks/18/enabled = true
-tracks/18/path = NodePath("Root/FX/Cloud:visible")
+tracks/18/path = NodePath("FX/Cloud:visible")
 tracks/18/interp = 1
 tracks/18/loop_wrap = true
 tracks/18/keys = {
@@ -1424,6 +1424,30 @@ tracks/20/keys = {
 "update": 0,
 "values": [Vector2(1, 1)]
 }
+tracks/21/type = "value"
+tracks/21/imported = false
+tracks/21/enabled = true
+tracks/21/path = NodePath("Root/Hitbox/CollisionShape2D:disabled")
+tracks/21/interp = 1
+tracks/21/loop_wrap = true
+tracks/21/keys = {
+"times": PackedFloat32Array(0, 0.2),
+"transitions": PackedFloat32Array(1, 1),
+"update": 1,
+"values": [false, false]
+}
+tracks/22/type = "value"
+tracks/22/imported = false
+tracks/22/enabled = true
+tracks/22/path = NodePath("Root/Hitbox:knockback_enabled")
+tracks/22/interp = 1
+tracks/22/loop_wrap = true
+tracks/22/keys = {
+"times": PackedFloat32Array(0, 0.2),
+"transitions": PackedFloat32Array(1, 1),
+"update": 1,
+"values": [true, true]
+}
 
 [sub_resource type="Animation" id="Animation_sva81"]
 resource_name = "charge_prepare"
@@ -2161,7 +2185,7 @@ tracks/17/keys = {
 tracks/18/type = "value"
 tracks/18/imported = false
 tracks/18/enabled = false
-tracks/18/path = NodePath("Root/FX/Cloud:visible")
+tracks/18/path = NodePath("FX/Cloud:visible")
 tracks/18/interp = 1
 tracks/18/loop_wrap = true
 tracks/18/keys = {
@@ -2221,7 +2245,7 @@ tracks/22/keys = {
 tracks/23/type = "value"
 tracks/23/imported = false
 tracks/23/enabled = true
-tracks/23/path = NodePath("Root/FX/Death:emitting")
+tracks/23/path = NodePath("FX/Death:emitting")
 tracks/23/interp = 1
 tracks/23/loop_wrap = true
 tracks/23/keys = {
@@ -2454,7 +2478,7 @@ tracks/17/keys = {
 tracks/18/type = "value"
 tracks/18/imported = false
 tracks/18/enabled = true
-tracks/18/path = NodePath("Root/FX/Cloud:visible")
+tracks/18/path = NodePath("FX/Cloud:visible")
 tracks/18/interp = 1
 tracks/18/loop_wrap = true
 tracks/18/keys = {
@@ -2735,7 +2759,7 @@ tracks/17/keys = {
 tracks/18/type = "value"
 tracks/18/imported = false
 tracks/18/enabled = true
-tracks/18/path = NodePath("Root/FX/Cloud:visible")
+tracks/18/path = NodePath("FX/Cloud:visible")
 tracks/18/interp = 1
 tracks/18/loop_wrap = true
 tracks/18/keys = {
@@ -4203,7 +4227,7 @@ tracks/17/keys = {
 tracks/18/type = "value"
 tracks/18/imported = false
 tracks/18/enabled = true
-tracks/18/path = NodePath("Root/FX/Cloud:visible")
+tracks/18/path = NodePath("FX/Cloud:visible")
 tracks/18/interp = 1
 tracks/18/loop_wrap = true
 tracks/18/keys = {
@@ -4295,35 +4319,12 @@ texture = ExtResource("1_1u51b")
 region_enabled = true
 region_rect = Rect2(111, 34, 26.9272, 26.6298)
 
-[node name="FX" type="Node2D" parent="Root"]
-position = Vector2(0, -68)
-metadata/_edit_lock_ = true
-
-[node name="Cloud" type="Sprite2D" parent="Root/FX"]
-visible = false
-scale = Vector2(0.5, 0.5)
-texture = ExtResource("2_lv102")
-region_enabled = true
-region_rect = Rect2(300, 0, 100, 70)
-
-[node name="Death" type="GPUParticles2D" parent="Root/FX"]
-position = Vector2(0, 52)
-emitting = false
-amount = 16
-process_material = SubResource("ParticleProcessMaterial_f5i1x")
-texture = ExtResource("4_mnb6v")
-lifetime = 0.7
-one_shot = true
-explosiveness = 0.7
-fixed_fps = 60
-
 [node name="WeaponNinjaStar" type="Sprite2D" parent="Root"]
 visible = false
 position = Vector2(-55, -76)
 texture = ExtResource("4_1c5xq")
 
 [node name="Hitbox" type="Area2D" parent="Root"]
-visible = false
 position = Vector2(50, 0)
 collision_layer = 0
 collision_mask = 4
@@ -4337,7 +4338,6 @@ debug_color = Color(0.933131, 0.0801983, 0.605982, 0.42)
 metadata/_edit_lock_ = true
 
 [node name="Hurtbox" type="Area2D" parent="Root" node_paths=PackedStringArray("health")]
-visible = false
 collision_layer = 8
 collision_mask = 0
 script = ExtResource("6_jnvxm")
@@ -4348,6 +4348,28 @@ shape = SubResource("RectangleShape2D_26abe")
 debug_color = Color(0.466325, 0.590206, 0.107862, 0.42)
 metadata/_edit_lock_ = true
 
+[node name="FX" type="Node2D" parent="."]
+position = Vector2(0, -68)
+metadata/_edit_lock_ = true
+
+[node name="Cloud" type="Sprite2D" parent="FX"]
+visible = false
+scale = Vector2(0.5, 0.5)
+texture = ExtResource("2_lv102")
+region_enabled = true
+region_rect = Rect2(300, 0, 100, 70)
+
+[node name="Death" type="GPUParticles2D" parent="FX"]
+position = Vector2(0, 52)
+emitting = false
+amount = 16
+process_material = SubResource("ParticleProcessMaterial_f5i1x")
+texture = ExtResource("4_mnb6v")
+lifetime = 0.7
+one_shot = true
+explosiveness = 0.7
+fixed_fps = 60
+
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]
 visible = false
 position = Vector2(-1, -7)
diff --git a/demo/demo/agents/agent_charger.tscn b/demo/demo/agents/agent_charger.tscn
index cc9b04e..b1e052a 100644
--- a/demo/demo/agents/agent_charger.tscn
+++ b/demo/demo/agents/agent_charger.tscn
@@ -1,17 +1,30 @@
-[gd_scene load_steps=3 format=3 uid="uid://g1pnvanyxcpa"]
+[gd_scene load_steps=5 format=3 uid="uid://g1pnvanyxcpa"]
 
 [ext_resource type="PackedScene" uid="uid://ooigbfhfy4wa" path="res://demo/agents/agent_base.tscn" id="1_n83hi"]
 [ext_resource type="Texture2D" uid="uid://ce16nc0wy2s8" path="res://demo/assets/agent_charger.png" id="2_y7pic"]
+[ext_resource type="BehaviorTree" uid="uid://ylife72ym5et" path="res://demo/ai/trees/enemy_charger.tres" id="3_nacc3"]
 
-[node name="Bobby" instance=ExtResource("1_n83hi")]
+[sub_resource type="BlackboardPlan" id="BlackboardPlan_b4r3u"]
+var/speed/name = "speed"
+var/speed/type = 3
+var/speed/value = 400.0
+var/speed/hint = 1
+var/speed/hint_string = "10,1000,10"
+var/charge_speed/name = "charge_speed"
+var/charge_speed/type = 3
+var/charge_speed/value = 800.0
+var/charge_speed/hint = 1
+var/charge_speed/hint_string = "10,1000,10"
 
-[node name="LegL" parent="Root/Rig" index="0"]
+[node name="AgentCharger" instance=ExtResource("1_n83hi")]
+
+[node name="LegL" parent="Root/Rig" index="1"]
 texture = ExtResource("2_y7pic")
 
-[node name="LegR" parent="Root/Rig" index="1"]
+[node name="LegR" parent="Root/Rig" index="2"]
 texture = ExtResource("2_y7pic")
 
-[node name="Body" parent="Root/Rig" index="2"]
+[node name="Body" parent="Root/Rig" index="3"]
 texture = ExtResource("2_y7pic")
 
 [node name="Hat" parent="Root/Rig/Body" index="0"]
@@ -22,3 +35,7 @@ texture = ExtResource("2_y7pic")
 
 [node name="HandR" parent="Root/Rig/Body" index="2"]
 texture = ExtResource("2_y7pic")
+
+[node name="BTPlayer" type="BTPlayer" parent="." index="4"]
+behavior_tree = ExtResource("3_nacc3")
+blackboard_plan = SubResource("BlackboardPlan_b4r3u")
diff --git a/demo/demo/agents/agent_demon.tscn b/demo/demo/agents/agent_demon.tscn
index e9af0c2..1667ebc 100644
--- a/demo/demo/agents/agent_demon.tscn
+++ b/demo/demo/agents/agent_demon.tscn
@@ -1,17 +1,25 @@
-[gd_scene load_steps=3 format=3 uid="uid://jb504ogmwmjk"]
+[gd_scene load_steps=5 format=3 uid="uid://jb504ogmwmjk"]
 
 [ext_resource type="PackedScene" uid="uid://ooigbfhfy4wa" path="res://demo/agents/agent_base.tscn" id="1_115kp"]
 [ext_resource type="Texture2D" uid="uid://d1tx7u8ho0r4v" path="res://demo/assets/agent_demon.png" id="2_cb5f2"]
+[ext_resource type="BehaviorTree" uid="uid://cpcnbi81jqge4" path="res://demo/ai/trees/enemy_demon.tres" id="3_ebd57"]
 
-[node name="Bobby" instance=ExtResource("1_115kp")]
+[sub_resource type="BlackboardPlan" id="BlackboardPlan_ju1qf"]
+var/speed/name = "speed"
+var/speed/type = 3
+var/speed/value = 400.0
+var/speed/hint = 1
+var/speed/hint_string = "10,1000,10"
 
-[node name="LegL" parent="Root/Rig" index="0"]
+[node name="AgentDemon" instance=ExtResource("1_115kp")]
+
+[node name="LegL" parent="Root/Rig" index="1"]
 texture = ExtResource("2_cb5f2")
 
-[node name="LegR" parent="Root/Rig" index="1"]
+[node name="LegR" parent="Root/Rig" index="2"]
 texture = ExtResource("2_cb5f2")
 
-[node name="Body" parent="Root/Rig" index="2"]
+[node name="Body" parent="Root/Rig" index="3"]
 texture = ExtResource("2_cb5f2")
 
 [node name="Hat" parent="Root/Rig/Body" index="0"]
@@ -22,3 +30,7 @@ texture = ExtResource("2_cb5f2")
 
 [node name="HandR" parent="Root/Rig/Body" index="2"]
 texture = ExtResource("2_cb5f2")
+
+[node name="BTPlayer" type="BTPlayer" parent="." index="5"]
+behavior_tree = ExtResource("3_ebd57")
+blackboard_plan = SubResource("BlackboardPlan_ju1qf")
diff --git a/demo/demo/agents/fireball/fireball.gd b/demo/demo/agents/fireball/fireball.gd
new file mode 100644
index 0000000..a838bf0
--- /dev/null
+++ b/demo/demo/agents/fireball/fireball.gd
@@ -0,0 +1,54 @@
+#*
+#* fireball.gd
+#* =============================================================================
+#* Copyright 2021-2024 Serhii Snitsaruk
+#*
+#* Use of this source code is governed by an MIT-style
+#* license that can be found in the LICENSE file or at
+#* https://opensource.org/licenses/MIT.
+#* =============================================================================
+#*
+extends Node2D
+## Fireball
+
+const SPEED := 800.0
+const DEAD_SPEED := 400.0
+
+@export var dir: float = 1.0
+
+var _is_dead: bool = false
+
+@onready var fireball_sprite: Sprite2D = $Root/Fireball
+@onready var death: GPUParticles2D = $FX/Death
+@onready var collision_shape_2d: CollisionShape2D = $Hitbox/CollisionShape2D
+@onready var root: Node2D = $Root
+@onready var trail: GPUParticles2D = $FX/Trail
+
+
+func _ready() -> void:
+	var tween := create_tween().set_loops()
+	tween.tween_property(fireball_sprite, ^"rotation", PI * signf(dir), 1.0).as_relative()
+
+	var tween2 := create_tween().set_trans(Tween.TRANS_QUAD).set_ease(Tween.EASE_IN)
+	tween2.tween_property(fireball_sprite, "position:y", -10.0, 0.5).as_relative().set_ease(Tween.EASE_OUT)
+	tween2.tween_property(fireball_sprite, "position:y", 0.0, 1.0)
+	tween2.tween_callback(_die)
+
+
+func _physics_process(delta: float) -> void:
+	var speed: float = SPEED if not _is_dead else DEAD_SPEED
+	position += Vector2.RIGHT * speed * dir * delta
+
+
+func _die() -> void:
+	_is_dead = true
+	trail.emitting = false
+	root.hide()
+	collision_shape_2d.set_deferred(&"disabled", true)
+	death.emitting = true
+	await death.finished
+	queue_free()
+
+
+func _on_hitbox_area_entered(_area: Area2D) -> void:
+	_die()
diff --git a/demo/demo/agents/fireball/fireball.tscn b/demo/demo/agents/fireball/fireball.tscn
new file mode 100644
index 0000000..68e0e9b
--- /dev/null
+++ b/demo/demo/agents/fireball/fireball.tscn
@@ -0,0 +1,169 @@
+[gd_scene load_steps=18 format=3 uid="uid://wdauoepicegb"]
+
+[ext_resource type="Script" path="res://demo/agents/fireball/fireball.gd" id="1_ituf4"]
+[ext_resource type="Texture2D" uid="uid://dwhhxj5557qrb" path="res://demo/assets/shadow.png" id="2_6n8mx"]
+[ext_resource type="Texture2D" uid="uid://235liwnxn1n5" path="res://demo/assets/fireball.png" id="3_1an0e"]
+[ext_resource type="Script" path="res://demo/agents/scripts/hitbox.gd" id="4_rjhgc"]
+[ext_resource type="Texture2D" uid="uid://bdusy0qqtw0th" path="res://demo/assets/smoke.png" id="5_dcbp6"]
+
+[sub_resource type="Curve" id="Curve_mukra"]
+_data = [Vector2(0, 0), 0.0, 4.81319, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 2
+
+[sub_resource type="CurveTexture" id="CurveTexture_56342"]
+curve = SubResource("Curve_mukra")
+
+[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_gbya7"]
+lifetime_randomness = 0.5
+particle_flag_disable_z = true
+direction = Vector3(0, -1, 0)
+spread = 90.0
+initial_velocity_min = 150.0
+initial_velocity_max = 250.0
+angular_velocity_min = -90.0
+angular_velocity_max = 90.0
+gravity = Vector3(0, 0, 0)
+radial_accel_min = -90.0
+radial_accel_max = 90.0
+damping_min = 200.0
+damping_max = 200.0
+scale_min = 0.8
+scale_max = 1.2
+scale_curve = SubResource("CurveTexture_56342")
+color = Color(0.552941, 0.552941, 0.552941, 1)
+
+[sub_resource type="Gradient" id="Gradient_c08h3"]
+offsets = PackedFloat32Array(0, 0.549738, 1)
+colors = PackedColorArray(0.980453, 0.717632, 0.282353, 1, 0.960906, 0.211521, 0.0390784, 1, 0.201527, 0.201527, 0.201527, 1)
+
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_fhxvw"]
+gradient = SubResource("Gradient_c08h3")
+
+[sub_resource type="Curve" id="Curve_ugmtv"]
+_data = [Vector2(0, 0.010989), 0.0, 0.0, 0, 0, Vector2(0.151111, 1), 1.3559, 1.3559, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 3
+
+[sub_resource type="CurveTexture" id="CurveTexture_1f5jp"]
+curve = SubResource("Curve_ugmtv")
+
+[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_gilhy"]
+lifetime_randomness = 0.5
+particle_flag_disable_z = true
+emission_shape = 3
+emission_box_extents = Vector3(40, 1, 1)
+direction = Vector3(0, -1, 0)
+spread = 90.0
+initial_velocity_min = 150.0
+initial_velocity_max = 250.0
+angular_velocity_min = -90.0
+angular_velocity_max = 90.0
+gravity = Vector3(0, 0, 0)
+radial_accel_min = -90.0
+radial_accel_max = 90.0
+damping_min = 200.0
+damping_max = 200.0
+scale_min = 0.8
+scale_max = 1.2
+scale_curve = SubResource("CurveTexture_1f5jp")
+color_ramp = SubResource("GradientTexture1D_fhxvw")
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_7uc1b"]
+radius = 25.13
+
+[sub_resource type="Animation" id="Animation_ey8it"]
+resource_name = "default"
+length = 0.3
+loop_mode = 1
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("Root/Fireball:frame")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0, 0.1, 0.2, 0.3),
+"transitions": PackedFloat32Array(1, 1, 1, 1),
+"update": 1,
+"values": [0, 1, 2, 0]
+}
+
+[sub_resource type="Animation" id="Animation_wr7y0"]
+length = 0.001
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("Root/Fireball:frame")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 1,
+"values": [0]
+}
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_cphpk"]
+_data = {
+"RESET": SubResource("Animation_wr7y0"),
+"default": SubResource("Animation_ey8it")
+}
+
+[node name="Fireball" type="Node2D"]
+script = ExtResource("1_ituf4")
+
+[node name="FX" type="Node2D" parent="."]
+position = Vector2(0, -92)
+
+[node name="Trail" type="GPUParticles2D" parent="FX"]
+show_behind_parent = true
+amount = 6
+process_material = SubResource("ParticleProcessMaterial_gbya7")
+texture = ExtResource("5_dcbp6")
+lifetime = 0.4
+fixed_fps = 60
+
+[node name="Death" type="GPUParticles2D" parent="FX"]
+emitting = false
+amount = 6
+process_material = SubResource("ParticleProcessMaterial_gilhy")
+texture = ExtResource("5_dcbp6")
+lifetime = 0.7
+one_shot = true
+explosiveness = 0.7
+fixed_fps = 60
+local_coords = true
+
+[node name="Root" type="Node2D" parent="."]
+
+[node name="Shadow" type="Sprite2D" parent="Root"]
+modulate = Color(1, 1, 1, 0.686275)
+position = Vector2(0, -1)
+scale = Vector2(0.382, 0.297)
+texture = ExtResource("2_6n8mx")
+
+[node name="Fireball" type="Sprite2D" parent="Root"]
+position = Vector2(0, -92)
+texture = ExtResource("3_1an0e")
+hframes = 3
+
+[node name="RemoteTransform2D" type="RemoteTransform2D" parent="Root/Fireball"]
+remote_path = NodePath("../../../FX")
+update_rotation = false
+update_scale = false
+
+[node name="Hitbox" type="Area2D" parent="."]
+collision_layer = 0
+collision_mask = 4
+script = ExtResource("4_rjhgc")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Hitbox"]
+shape = SubResource("CircleShape2D_7uc1b")
+debug_color = Color(0.839216, 0.192157, 0.815686, 0.419608)
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="."]
+libraries = {
+"": SubResource("AnimationLibrary_cphpk")
+}
+autoplay = "default"
+
+[connection signal="area_entered" from="Hitbox" to="." method="_on_hitbox_area_entered"]
diff --git a/demo/demo/agents/scripts/agent_base.gd b/demo/demo/agents/scripts/agent_base.gd
index 67be03c..6ca55a9 100644
--- a/demo/demo/agents/scripts/agent_base.gd
+++ b/demo/demo/agents/scripts/agent_base.gd
@@ -13,6 +13,7 @@ extends CharacterBody2D
 ## Base agent script.
 
 const NinjaStar := preload("res://demo/agents/ninja_star/ninja_star.tscn")
+const Fireball := preload("res://demo/agents/fireball/fireball.tscn")
 
 @onready var animation_player: AnimationPlayer = $AnimationPlayer
 @onready var health: Health = $Health
@@ -54,6 +55,13 @@ func throw_ninja_star() -> void:
 	ninja_star.global_position = global_position + Vector2.RIGHT * 100.0 * get_facing()
 
 
+func spit_fire() -> void:
+	var fireball := Fireball.instantiate()
+	fireball.dir = get_facing()
+	get_parent().add_child(fireball)
+	fireball.global_position = global_position + Vector2.RIGHT * 100.0 * get_facing()
+
+
 func _damaged(_amount: float, knockback: Vector2) -> void:
 	apply_knockback(knockback)
 	animation_player.play(&"hurt")
diff --git a/demo/demo/ai/trees/enemy_charger.tres b/demo/demo/ai/trees/enemy_charger.tres
new file mode 100644
index 0000000..badafdb
--- /dev/null
+++ b/demo/demo/ai/trees/enemy_charger.tres
@@ -0,0 +1,115 @@
+[gd_resource type="BehaviorTree" load_steps=27 format=3 uid="uid://ylife72ym5et"]
+
+[ext_resource type="Script" path="res://demo/ai/tasks/select_flanking_pos.gd" id="1_3ovx6"]
+[ext_resource type="Script" path="res://demo/ai/tasks/get_first_in_group.gd" id="1_g3c1d"]
+[ext_resource type="Script" path="res://demo/ai/tasks/arrive_pos.gd" id="2_l3434"]
+[ext_resource type="Script" path="res://demo/ai/tasks/face_target.gd" id="4_km0bx"]
+[ext_resource type="Script" path="res://demo/ai/tasks/leap_forward.gd" id="5_socam"]
+
+[sub_resource type="BlackboardPlan" id="BlackboardPlan_qd806"]
+var/speed/name = "speed"
+var/speed/type = 3
+var/speed/value = 400.0
+var/speed/hint = 1
+var/speed/hint_string = "10,1000,10"
+var/charge_speed/name = "charge_speed"
+var/charge_speed/type = 3
+var/charge_speed/value = 800.0
+var/charge_speed/hint = 1
+var/charge_speed/hint_string = "10,1000,10"
+
+[sub_resource type="BBNode" id="BBNode_yrurg"]
+saved_value = NodePath("AnimationPlayer")
+resource_name = "AnimationPlayer"
+
+[sub_resource type="BTPlayAnimation" id="BTPlayAnimation_ha2ag"]
+animation_player = SubResource("BBNode_yrurg")
+animation_name = &"idle"
+blend = 0.1
+
+[sub_resource type="BTRandomWait" id="BTRandomWait_cedqr"]
+min_duration = 2.0
+max_duration = 5.0
+
+[sub_resource type="BTSequence" id="BTSequence_l3v31"]
+custom_name = "Short break"
+children = [SubResource("BTPlayAnimation_ha2ag"), SubResource("BTRandomWait_cedqr")]
+
+[sub_resource type="BTAction" id="BTAction_pp23y"]
+script = ExtResource("1_g3c1d")
+group = &"player"
+output_var = "target"
+
+[sub_resource type="BTAction" id="BTAction_pmvd0"]
+script = ExtResource("1_3ovx6")
+target_var = "target"
+closest_side = false
+flank_side = 0
+range_min = 500
+range_max = 600
+position_var = "flank_pos"
+
+[sub_resource type="BBNode" id="BBNode_xh3wr"]
+saved_value = NodePath("AnimationPlayer")
+resource_name = "AnimationPlayer"
+
+[sub_resource type="BTPlayAnimation" id="BTPlayAnimation_h0poo"]
+animation_player = SubResource("BBNode_xh3wr")
+animation_name = &"walk"
+blend = 0.1
+
+[sub_resource type="BTAction" id="BTAction_87mi0"]
+script = ExtResource("2_l3434")
+target_position_var = "flank_pos"
+speed_var = "speed"
+tolerance = 50.0
+
+[sub_resource type="BTSequence" id="BTSequence_p6pgg"]
+custom_name = "Flank target"
+children = [SubResource("BTAction_pp23y"), SubResource("BTAction_pmvd0"), SubResource("BTPlayAnimation_h0poo"), SubResource("BTAction_87mi0")]
+
+[sub_resource type="BTAction" id="BTAction_q5g4a"]
+script = ExtResource("4_km0bx")
+target_var = "target"
+
+[sub_resource type="BBNode" id="BBNode_bfijg"]
+saved_value = NodePath("AnimationPlayer")
+resource_name = "AnimationPlayer"
+
+[sub_resource type="BTPlayAnimation" id="BTPlayAnimation_4okoy"]
+await_completion = 2.0
+animation_player = SubResource("BBNode_bfijg")
+animation_name = &"charge_prepare"
+blend = 0.1
+
+[sub_resource type="BTWait" id="BTWait_ovu3r"]
+
+[sub_resource type="BTSequence" id="BTSequence_mde2g"]
+custom_name = "Anticipation"
+children = [SubResource("BTAction_q5g4a"), SubResource("BTPlayAnimation_4okoy"), SubResource("BTWait_ovu3r")]
+
+[sub_resource type="BBNode" id="BBNode_kpp70"]
+saved_value = NodePath("AnimationPlayer")
+resource_name = "AnimationPlayer"
+
+[sub_resource type="BTPlayAnimation" id="BTPlayAnimation_8s1wq"]
+animation_player = SubResource("BBNode_kpp70")
+animation_name = &"charge"
+blend = 0.05
+
+[sub_resource type="BTAction" id="BTAction_o18uk"]
+script = ExtResource("5_socam")
+force = 1000.0
+duration = 2.0
+
+[sub_resource type="BTSequence" id="BTSequence_8lur1"]
+custom_name = "Charge!"
+children = [SubResource("BTPlayAnimation_8s1wq"), SubResource("BTAction_o18uk")]
+
+[sub_resource type="BTSequence" id="BTSequence_pjuov"]
+custom_name = "Charge Attack"
+children = [SubResource("BTSequence_l3v31"), SubResource("BTSequence_p6pgg"), SubResource("BTSequence_mde2g"), SubResource("BTSequence_8lur1")]
+
+[resource]
+blackboard_plan = SubResource("BlackboardPlan_qd806")
+root_task = SubResource("BTSequence_pjuov")
diff --git a/demo/demo/ai/trees/enemy_demon.tres b/demo/demo/ai/trees/enemy_demon.tres
new file mode 100644
index 0000000..f876174
--- /dev/null
+++ b/demo/demo/ai/trees/enemy_demon.tres
@@ -0,0 +1,197 @@
+[gd_resource type="BehaviorTree" load_steps=49 format=3 uid="uid://cpcnbi81jqge4"]
+
+[ext_resource type="Script" path="res://demo/ai/tasks/get_first_in_group.gd" id="1_84v18"]
+[ext_resource type="Script" path="res://demo/ai/tasks/face_target.gd" id="2_ff2n7"]
+[ext_resource type="Script" path="res://demo/ai/tasks/in_range.gd" id="3_ealyw"]
+[ext_resource type="Script" path="res://demo/ai/tasks/back_away.gd" id="4_iaxsb"]
+[ext_resource type="Script" path="res://demo/ai/tasks/select_flanking_pos.gd" id="5_u6msy"]
+[ext_resource type="Script" path="res://demo/ai/tasks/arrive_pos.gd" id="6_jl5ks"]
+
+[sub_resource type="BlackboardPlan" id="BlackboardPlan_8ay3j"]
+var/speed/name = "speed"
+var/speed/type = 3
+var/speed/value = 400.0
+var/speed/hint = 1
+var/speed/hint_string = "10,1000,10"
+
+[sub_resource type="BBNode" id="BBNode_lpri5"]
+saved_value = NodePath("AnimationPlayer")
+resource_name = "AnimationPlayer"
+
+[sub_resource type="BTPlayAnimation" id="BTPlayAnimation_p3e7a"]
+animation_player = SubResource("BBNode_lpri5")
+animation_name = &"idle"
+blend = 0.1
+
+[sub_resource type="BTRandomWait" id="BTRandomWait_j6cjm"]
+max_duration = 3.0
+
+[sub_resource type="BTSequence" id="BTSequence_5thv4"]
+custom_name = "Chill"
+children = [SubResource("BTPlayAnimation_p3e7a"), SubResource("BTRandomWait_j6cjm")]
+
+[sub_resource type="BTCooldown" id="BTCooldown_oms7a"]
+children = [SubResource("BTSequence_5thv4")]
+
+[sub_resource type="BTAction" id="BTAction_ohfp7"]
+script = ExtResource("1_84v18")
+group = &"player"
+output_var = "target"
+
+[sub_resource type="BTCondition" id="BTCondition_7a5nv"]
+script = ExtResource("3_ealyw")
+distance_min = 50.0
+distance_max = 150.0
+target_var = "target"
+
+[sub_resource type="BTAction" id="BTAction_ddvrs"]
+script = ExtResource("2_ff2n7")
+target_var = "target"
+
+[sub_resource type="BBNode" id="BBNode_c4nfu"]
+saved_value = NodePath("AnimationPlayer")
+resource_name = "AnimationPlayer"
+
+[sub_resource type="BTPlayAnimation" id="BTPlayAnimation_yytkn"]
+await_completion = 3.0
+animation_player = SubResource("BBNode_c4nfu")
+animation_name = &"attack_3"
+blend = 0.1
+
+[sub_resource type="BTCooldown" id="BTCooldown_ejg6q"]
+duration = 3.0
+children = [SubResource("BTPlayAnimation_yytkn")]
+
+[sub_resource type="BTSequence" id="BTSequence_eikr4"]
+custom_name = "Melee"
+children = [SubResource("BTAction_ohfp7"), SubResource("BTCondition_7a5nv"), SubResource("BTAction_ddvrs"), SubResource("BTCooldown_ejg6q")]
+
+[sub_resource type="BTCondition" id="BTCondition_h75v8"]
+script = ExtResource("3_ealyw")
+distance_min = 0.0
+distance_max = 300.0
+target_var = "target"
+
+[sub_resource type="BTAction" id="BTAction_wpt7j"]
+script = ExtResource("2_ff2n7")
+target_var = "target"
+
+[sub_resource type="BBNode" id="BBNode_iv62h"]
+saved_value = NodePath("AnimationPlayer")
+resource_name = "AnimationPlayer"
+
+[sub_resource type="BTPlayAnimation" id="BTPlayAnimation_wnaul"]
+animation_player = SubResource("BBNode_iv62h")
+animation_name = &"walk"
+blend = 0.1
+speed = -1.0
+
+[sub_resource type="BTAction" id="BTAction_h2efl"]
+script = ExtResource("4_iaxsb")
+speed_var = "speed"
+max_angle_deviation = 0.7
+
+[sub_resource type="BTTimeLimit" id="BTTimeLimit_wm5g2"]
+time_limit = 1.0
+children = [SubResource("BTAction_h2efl")]
+
+[sub_resource type="BTSequence" id="BTSequence_wh4dl"]
+custom_name = "Back away"
+children = [SubResource("BTCondition_h75v8"), SubResource("BTAction_wpt7j"), SubResource("BTPlayAnimation_wnaul"), SubResource("BTTimeLimit_wm5g2")]
+
+[sub_resource type="BTComment" id="BTComment_mqte5"]
+custom_name = "Get into position"
+
+[sub_resource type="BBNode" id="BBNode_edmui"]
+saved_value = NodePath("AnimationPlayer")
+resource_name = "AnimationPlayer"
+
+[sub_resource type="BTPlayAnimation" id="BTPlayAnimation_vjtpq"]
+animation_player = SubResource("BBNode_edmui")
+animation_name = &"walk"
+blend = 0.1
+
+[sub_resource type="BTAction" id="BTAction_4mmh0"]
+script = ExtResource("5_u6msy")
+target_var = "target"
+closest_side = false
+flank_side = 0
+range_min = 300
+range_max = 700
+position_var = "pos"
+
+[sub_resource type="BTAction" id="BTAction_vb5c3"]
+script = ExtResource("6_jl5ks")
+target_position_var = "pos"
+speed_var = "speed"
+tolerance = 50.0
+
+[sub_resource type="BTTimeLimit" id="BTTimeLimit_jyks2"]
+children = [SubResource("BTAction_vb5c3")]
+
+[sub_resource type="BTComment" id="BTComment_ym6nj"]
+custom_name = "Short break before action"
+
+[sub_resource type="BTAction" id="BTAction_fkevy"]
+script = ExtResource("2_ff2n7")
+target_var = "target"
+
+[sub_resource type="BBNode" id="BBNode_lh25u"]
+saved_value = NodePath("AnimationPlayer")
+resource_name = "AnimationPlayer"
+
+[sub_resource type="BTPlayAnimation" id="BTPlayAnimation_vcjeq"]
+animation_player = SubResource("BBNode_lh25u")
+animation_name = &"idle"
+blend = 0.1
+
+[sub_resource type="BTWait" id="BTWait_42smh"]
+duration = 0.2
+
+[sub_resource type="BTComment" id="BTComment_nbp2b"]
+custom_name = "Spit fire!"
+
+[sub_resource type="BBNode" id="BBNode_cqw71"]
+saved_value = NodePath("AnimationPlayer")
+resource_name = "AnimationPlayer"
+
+[sub_resource type="BTPlayAnimation" id="BTPlayAnimation_214yn"]
+await_completion = 3.0
+animation_player = SubResource("BBNode_cqw71")
+animation_name = &"spit"
+blend = 0.1
+
+[sub_resource type="BBNode" id="BBNode_dv5b5"]
+saved_value = NodePath(".")
+resource_name = "."
+
+[sub_resource type="BTCallMethod" id="BTCallMethod_lk7i6"]
+node = SubResource("BBNode_dv5b5")
+method = &"spit_fire"
+
+[sub_resource type="BTComment" id="BTComment_fndxk"]
+custom_name = "Short break after"
+
+[sub_resource type="BBNode" id="BBNode_m68ui"]
+saved_value = NodePath("AnimationPlayer")
+resource_name = "AnimationPlayer"
+
+[sub_resource type="BTPlayAnimation" id="BTPlayAnimation_m7gyp"]
+animation_player = SubResource("BBNode_m68ui")
+animation_name = &"idle"
+blend = 0.1
+
+[sub_resource type="BTRandomWait" id="BTRandomWait_v0el8"]
+min_duration = 0.5
+max_duration = 1.5
+
+[sub_resource type="BTSequence" id="BTSequence_djtph"]
+custom_name = "Spit fire"
+children = [SubResource("BTComment_mqte5"), SubResource("BTPlayAnimation_vjtpq"), SubResource("BTAction_4mmh0"), SubResource("BTTimeLimit_jyks2"), SubResource("BTComment_ym6nj"), SubResource("BTAction_fkevy"), SubResource("BTPlayAnimation_vcjeq"), SubResource("BTWait_42smh"), SubResource("BTComment_nbp2b"), SubResource("BTPlayAnimation_214yn"), SubResource("BTCallMethod_lk7i6"), SubResource("BTComment_fndxk"), SubResource("BTPlayAnimation_m7gyp"), SubResource("BTRandomWait_v0el8")]
+
+[sub_resource type="BTSelector" id="BTSelector_feba6"]
+children = [SubResource("BTCooldown_oms7a"), SubResource("BTSequence_eikr4"), SubResource("BTSequence_wh4dl"), SubResource("BTSequence_djtph")]
+
+[resource]
+blackboard_plan = SubResource("BlackboardPlan_8ay3j")
+root_task = SubResource("BTSelector_feba6")
diff --git a/demo/demo/scenes/demo.tscn b/demo/demo/scenes/demo.tscn
index 3d424fb..25d977c 100644
--- a/demo/demo/scenes/demo.tscn
+++ b/demo/demo/scenes/demo.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=13 format=3 uid="uid://bsig1usigbbuy"]
+[gd_scene load_steps=16 format=3 uid="uid://bsig1usigbbuy"]
 
 [ext_resource type="Texture2D" uid="uid://b3g14elmg0m36" path="res://demo/assets/env_rocks.png" id="1_145kx"]
 [ext_resource type="PackedScene" uid="uid://dt2jlrqffpyw" path="res://demo/scenes/clouds.tscn" id="1_gsxmp"]
@@ -8,7 +8,10 @@
 [ext_resource type="PackedScene" uid="uid://d07ag5dcje13i" path="res://demo/agents/player/player.tscn" id="5_cmgoj"]
 [ext_resource type="PackedScene" uid="uid://ci3x5esepbu5v" path="res://demo/agents/agent_ranged.tscn" id="6_76icr"]
 [ext_resource type="PackedScene" uid="uid://blxmw2w1h2s0s" path="res://demo/agents/agent_melee_combo.tscn" id="7_jlgir"]
+[ext_resource type="PackedScene" uid="uid://co6yeafaljbq0" path="res://demo/agents/agent_skirmisher.tscn" id="8_a0psq"]
 [ext_resource type="PackedScene" uid="uid://2e4ohaqjaawb" path="res://demo/agents/agent_melee_nuanced.tscn" id="8_ovfbp"]
+[ext_resource type="PackedScene" uid="uid://g1pnvanyxcpa" path="res://demo/agents/agent_charger.tscn" id="9_k8jcc"]
+[ext_resource type="PackedScene" uid="uid://jb504ogmwmjk" path="res://demo/agents/agent_demon.tscn" id="10_nds64"]
 
 [sub_resource type="Animation" id="Animation_gwtgs"]
 length = 0.001
@@ -2874,16 +2877,14 @@ metadata/_edit_lock_ = true
 y_sort_enabled = true
 metadata/_edit_lock_ = true
 
-[node name="AgentMeleeNuanced" parent="YSort/Agents" instance=ExtResource("8_ovfbp")]
-position = Vector2(1513, 262)
-
 [node name="AgentMeleeNuanced3" parent="YSort/Agents" instance=ExtResource("8_ovfbp")]
-position = Vector2(1125, 748)
-
-[node name="AgentMeleeNuanced4" parent="YSort/Agents" instance=ExtResource("8_ovfbp")]
-position = Vector2(227, 231)
+process_mode = 4
+visible = false
+position = Vector2(350, 657)
 
 [node name="AgentMeleeNuanced5" parent="YSort/Agents" instance=ExtResource("8_ovfbp")]
+process_mode = 4
+visible = false
 position = Vector2(592, -163)
 
 [node name="Player" parent="YSort/Agents" instance=ExtResource("5_cmgoj")]
@@ -2900,11 +2901,31 @@ drag_top_margin = 0.1
 drag_bottom_margin = 0.1
 
 [node name="AgentRanged" parent="YSort/Agents" instance=ExtResource("6_76icr")]
+process_mode = 4
+visible = false
 position = Vector2(2067, 543)
 
 [node name="AgentMeleeCombo" parent="YSort/Agents" instance=ExtResource("7_jlgir")]
+process_mode = 4
+visible = false
 position = Vector2(1778, 22)
 
+[node name="AgentSkirmisher" parent="YSort/Agents" instance=ExtResource("8_a0psq")]
+process_mode = 4
+visible = false
+position = Vector2(-162, 498)
+
+[node name="AgentCharger" parent="YSort/Agents" instance=ExtResource("9_k8jcc")]
+process_mode = 4
+visible = false
+position = Vector2(1400, 382)
+
+[node name="AgentDemon" parent="YSort/Agents" instance=ExtResource("10_nds64")]
+position = Vector2(1417, 503)
+
+[node name="AgentDemon2" parent="YSort/Agents" instance=ExtResource("10_nds64")]
+position = Vector2(70, 537)
+
 [node name="Props" type="Node2D" parent="YSort"]
 y_sort_enabled = true
 metadata/_edit_lock_ = true