Many changes

Handle it

player/abilities/ice_field.gd

@@ -0,0 +1,23 @@
+class_name IceFieldAbility extends Ability
+
+@export var field_radius: float = 150.0
+@export var damage_per_second: float = 5.0
+@export var slow_amount: float = 0.5
+
+var field_instance: Node2D
+
+func _init():
+    cooldown = 10.0
+    effect_duration = 6.0
+
+func _start_ability():
+    field_instance = preload("scenes/ice_field.tscn").instantiate()
+    field_instance.global_position = global_position
+    field_instance.radius = field_radius
+    field_instance.damage = damage_per_second
+    field_instance.slow = slow_amount
+    get_tree().root.add_child(field_instance)
+    
+func _end_ability():
+    if is_instance_valid(field_instance):
+        field_instance.queue_free()