Dragon de la Vérité Corrompu CT09-FR016

Neither Normally Summonable nor Placeable. Only Summoned by its own effect and not otherwise Specially Summoned. If a "Corrupted" face-up monster you control (excluding "Corrupted True Dragon") is destroyed by battle or by a card effect, you can pay half your Life Points, Special Summon this card from your hand or Graveyard. There can only be 1 "Corrupted" face-up monster on the field. If there is no face-up Field Spell Card on the field, destroy this card. If this card destroys an opponent's monster by battle, destroy all face-up monsters your opponent controls.