I will post the new version of Arkanus soon,what i did is i took links head and made his hair greish and long, (you'll see what i mean) made his body like a red robe and put a gem on his belly
The next form is the one you fight. He has slightly greish pale skin, he now has a mouth that protects the gem on his stomach,(the mouth is from vaati's second form) he now has horns
The next one is cool, arkanus in his demon form. Now, consumed in a demons soul, i hair looks disgusting, before he transformed, he put his gem on his head.
Final form, titan. He is now a giant demon that its only goal is to destroy link. He has huge hands that can roughly get seven links in one go. He has really big muscles and a back full of giant warts. He has hardly any hair and he still has the gem on his head, he has holes thatspit black smoke that can only be destroyed with light arrows. To get to the gem you have to wait until he punches his fist onto the ground.
I will post them soon.