He was always going to betray you.
RD/HC01-JP036 焔魔神ルシュレス Enmashin Luciless (Blaze Fiend Overlord Luciless)
Level 10 FIRE Fiend Effect Monster
You can Tribute Summon this card in Attack Position by Tributing 1 Maximum Monster.
[REQUIREMENT] If there are 3 or more Fiend monsters in your GY.
[EFFECT] Choose 1 FIRE Maximum Monster in your GY and either add it to the hand or Special Summon it to your field face-up.