Demon Duke

Concept & Development(WIP)
This is the part of Duke's character that comes from Naruto; and just like a jinchuriki, he gains the powers and abilities of his inner beast when transforming into it.

Summary
Duke adopts this form during battle when his medallion is removed. This partial transformation magnifies his overall power by 100 times; along with changing his physiology and personality, he gains new powers and abilities to replace his normal ones. Keep in mind this is merely the first stage of his transformation, and if he and his inner beast actually got along they'd be much stronger.

Personality
Duke's personality basically takes a quick 180, the goofy and energetic hedgehog becomes a stern, distant warrior of darkness; though his original personality comes out from time to time, it is quickly overshadowed. This is especially apparent in battle, becoming more bloodlusted in the heat of battle as his mind can't handle the sudden surge of negative chaos energy.

Gallery
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Trivia
Despite a more apparent release of power, as opposed to Durak and his eye patch, the multiplier is much weaker since Duke and his demon are usually at odds whereas Durak and Apocalypse have a more mutual relationship allowing them to draw out more power