Demyx is number IX in the Organization, his element is water and his weapons is a huge sitar.
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Demyx does not like fighting, stating in hollow bastion “I told them they picked the wrong guy”
History:
Demyx first appears in hollow bastion hooded with all the other remaining members. Not long after that Sora sees him in the Underworld running away from Hades hideout having stolen the Olympus stone, an object that protects the holder from the effects of the underworld. Sora eventually finds him again and confronts him. Demyx gives up after Sora defeats all his clones and flees dropping the Olympus stone in the process.
[SPOILER - highlight to read]: Later Sora find him again in Hollow Bastion. Demyx appears unwilling to fight, but after he fails to convince Sora he has a heart, he drops the act and tells Sora “Silence traitor” in a cold voice. Eager to help his friends Sora engages Demyx in battle and kills him.
Demyx is the first Orangization member you defeat in Kingdom Hearts II
Powers Abilities
Demyx has total control of water, and uses it in a variety of ways in battle. He is able to create many geysers in a moment, fire off water balls from his sitar and from the sky. He can leap around with geysers at his trail. And uses to heavy weight of the sitar to pummel his enemies. He can also create water clones.