Cannot be Normal Summoned/Set. Must be Special Summoned with "Assault Mode Activate". If this card is Special Summoned: Target 1 or more Zombie monsters in the GYs; Special Summon those targets, but their effects are negated, also destroy them during the End Phase of this turn. When this card on the field is destroyed: You can target 1 "Doomkaiser Dragon" in your GY; Special Summon that target.