diff --git a/growth/CardInjects/Katana/katana_card_inject.gd b/growth/CardInjects/Katana/katana_card_inject.gd
index c035221..7b8a613 100644
--- a/growth/CardInjects/Katana/katana_card_inject.gd
+++ b/growth/CardInjects/Katana/katana_card_inject.gd
@@ -51,8 +51,11 @@ func _activate(_world, activator, position):
 		assert(false, "who are you, activator?")
 	# world.add_child(katana)
 	
-func discard(world, activator, do_ability):
+
+func discard(_world, activator, do_ability):
 	ammo = max_ammo
+	if do_ability:
+		activator.dash(_activate);
 
 func get_ammo():
 	return ammo
diff --git a/growth/CardInjects/Mine/mine_card_inject.gd b/growth/CardInjects/Mine/mine_card_inject.gd
index 11d6ec6..87cc85e 100644
--- a/growth/CardInjects/Mine/mine_card_inject.gd
+++ b/growth/CardInjects/Mine/mine_card_inject.gd
@@ -47,8 +47,10 @@ func _activate(world, activator, position):
 		assert(false, "who are you, activator?")
 	world.add_child(mine)
 
-func discard(world, activator, do_ability):
+func discard(_world, activator, do_ability):
 	ammo = max_ammo
+	if do_ability:
+		activator.dash(null);
 
 func get_ammo():
 	return ammo
diff --git a/growth/player.gd b/growth/player.gd
index aea1279..dca7daf 100644
--- a/growth/player.gd
+++ b/growth/player.gd
@@ -68,10 +68,11 @@ func charge():
 		# Gradual charge dropoff
 		charge_level = max(charge_level - charge_rate * 2, 0);
 
-func dash(on_end: Callable):
+func dash(on_end):
 	dash_cooldown_timer.start(dash_cooldown);
 	var target_dir = position.direction_to(target)
-	dash_cooldown_timer.timeout.connect(func(): on_end.call(null, self, target_dir), CONNECT_ONE_SHOT);
+	if (on_end):
+		dash_cooldown_timer.timeout.connect(func(): on_end.call(null, self, target_dir), CONNECT_ONE_SHOT);
 	velocity = move_direction * speed * 5;
 
 func _ready():