Sephiroth.

Even though he has a sword, and longer hair, and no red in his outfit. . .

I...uh...melting candle.

Dante from Devil May Cry

An assassin that dabbles in dark magic arts :D.

I have no idea why that's the first thing that comes to my mind >.>...

A cursed/dark Belle o3o

Hrm, A witch that wants to turn the poor Natsu into a frawg.. D':

riku - KH2 . xD

Some kind of explosion happened in a magician's home.

A magical priestess.

Cyberpunk Robinhood.

i still love that avatar.

A dark mage from dragon age.

Dark energy ninja

That's the first time I've gotten "Dante" while not actually cosplaying him...

A character in a book that I read some time ago but forgot about.

the hair reminded me of him XD

Riku XD The white hair and black blindfold did it, sorry owo;