Evil Hero Armageddon

"Elemental Hero Nova" + 3 or more Fiend-Type monsters
This card cannot be Special Summoned except with "Dark Fusion". The original ATK of this card is equal to the combined ATK of the Fusion Material Monsters used to Fusion Summon it. This card must attack all monsters your opponent control once each if able. During battle between this attacking card and a Defense Position monster whose DEF is lower than the ATK of this card, inflict the difference as Battle Damage to your opponent. When this card destroys a monster by battle and sends it to the Graveyard, inflict damage to your opponent equal to the ATK or DEF of the destroyed monster, whichever is higher. Once, you can pay half your Life Points to destroy every other card on the field and inflict 1000 damage to your opponent for each card destroyed.