All Rock-Type monsters on the field gain 500 ATK. If a Triamid monster you control battles, your opponent s cards and effects cannot be activated until the end of the Damage Step. If this face-up card in the Field Zone is sent to the Graveyard: You can Special Summon 1 Triamid monster from your hand. You can only use this effect of Triamid Kingolem once per turn.