You can banish 1 Level 8 Dragon monster from your Extra Deck; Special Summon this card from your hand, also you cannot Special Summon for the rest of this turn, except Dragon monsters. You can activate 1 of these effects;
• Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from your hand or field.
• Target 1 other Attack Position monster on the field; make this card lose exactly 500 ATK/DEF, and if you do, destroy that monster.
You can only use each effect of "Dark End Evaporation Dragon" once per turn.