Pendulum Effect
You can banish 2 "DD" monsters from your Graveyard; Special Summon this card from your Pendulum Zone.
Monster Effect
During your opponent's turn, if this card is in your hand or Graveyard: You can target 2 face-up Spell/Trap Cards you control; you cannot Special Summon monsters for the rest of this turn, except Fiend-Type monsters, also destroy those targets, and if you do, Special Summon this card (this is a Quick Effect). You can only use this effect of "DDD Great Wise King Chaos Apocalypse" once per turn.