This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except from your hand or your Graveyard by paying half your Life Points when a face-up "Sin" monster you control, except "Sin Truth Dragon", is destroyed by battle or by a card effect. There can only be 1 face-up "Sin" monster on the field. If there is no face-up Field Spell Card on the field, destroy this card. If this card destroys an opponents monster by battle, destroy all face-up monsters your opponent controls.