## Attack: Instantly deals damage equal to source's STR minus target's DEF.
## Self-removes after dealing damage (instant effect).
extends EffectBase

func on_add(ctx: EffectCtx) -> void:
	var source_str: Stat = ctx.source.get_stat("str")
	var target_def: Stat = ctx.target.get_stat("def")
	var target_hp: Stat = ctx.target.get_stat("hp")
	var damage: int = max(0, source_str.get_value() - target_def.get_value())
	target_hp.sub_base(damage)
	ctx.target.set_effect(ctx.def, 0, null)