Legendary Flame Lord (DCR-EN081) [Dark Crisis (25th Anniversary Edition)]

This card can only be Ritual Summoned with the Ritual Spell Card, Incandescent Ordeal. You must also offer monsters whose total Level Stars equal 7 or more as a Tribute from the field or your hand. Each time you or your opponent activates 1 Spell Card, put 1 Spell Counter on this card. Remove 3 Spell Counters from this card to destroy all monsters on the field except this card.