This effect can be activate during opponent's Battle Phase. When you have 2 or more monsters on the field, and all of them are destroy as a result of battle and sent to Graveyard, you may special summon this card from your hand. If this card is successfully special summon this way, name a Main-Type. Destory all face-up monsters on the field that have the declared main-type. Afterward, as long as this card is face-up on the field, opponent cannot Summon or Special Summon monsters with the declared Main-Type. ATK/ 2800 DEF/ 2500