Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand or GY) by banishing 3 Pyro monsters or 1 "Blaze Accelerator" card from your face-up field and/or GY. You can only Special Summon "Volcanic Emperor" once per turn. When Summoned this way: You can inflict 500 damage to your opponent for each banished Pyro monster, then you can Set 1 "Volcanic" Trap directly from your Deck. Each time your opponent Special Summons a monster(s), inflict 500 damage to your opponent.