better fix

code/modules/cm_preds/yaut_weapons.dm

@@ -168,7 +168,6 @@
 	///The amount this weapon interrupts hivemind link on Xenomorphs.
 	var/xeno_interfere_amount = 30
 
-	var/has_ability = FALSE
 	///The amount of charges towards use of special abilities.
 	var/ability_charge = 0
 	var/ability_charge_max = ABILITY_MAX_DEFAULT
@@ -190,7 +189,7 @@
 		var/mob/living/carbon/xenomorph/xenomorph = target
 		xenomorph.interference = xeno_interfere_amount
 
-	if(!has_ability)
+	if(!ability_cost)
 		return
 
 	if(target == user || target.stat == DEAD || isanimal(target))
@@ -240,6 +239,7 @@
 	attack_verb = list("whipped", "slashed","sliced","diced","shredded")
 	attack_speed = 0.8 SECONDS
 	hitsound = 'sound/weapons/chain_whip.ogg'
+	ability_cost = ABILITY_COST_CHAIN
 
 
 /obj/item/weapon/yautja/chain/attack(mob/target, mob/living/user)
@@ -256,6 +256,7 @@
 	attack_verb = list("slashed", "stabbed", "sliced", "torn", "ripped", "diced", "cut")
 	attack_speed = 1 SECONDS
 	hitsound = "clan_sword_hit"
+	ability_cost = ABILITY_COST_SWORD
 
 /obj/item/weapon/yautja/scythe
 	name = "dual war scythe"
@@ -273,7 +274,6 @@
 	ability_cost = ABILITY_COST_SCYTHE
 	ability_charge_max = ABILITY_COST_SCYTHE
 	ability_charge_rate = ABILITY_CHARGE_NORMAL
-	has_ability = TRUE
 
 /obj/item/weapon/yautja/scythe/attack_self(mob/user)
 	..()
@@ -342,7 +342,6 @@
 	ability_cost = ABILITY_COST_DEFAULT
 	ability_charge_max = ABILITY_MAX_DEFAULT
 	ability_charge_rate = ABILITY_CHARGE_SMALL
-	has_ability = TRUE
 
 	var/on = TRUE