Rin Okumura (Demon Form) - Blue Exorcist

Rin Okumura from Blue Exorcist
I realize his hair should be more bluish-black, but I had to compromise with just black. 
This is based off of a screenshot I took of the show. I altered it by drawing the sword without the scabbard, adding the flames to the blade, giving him longer, more pointed ears, red pupils, a smile, adding in his flaming tail, drawing on Rin's fire horns, as well as giving him a blue glow. I just finished the show, but immediately fell in love with Rin when I first started Blue Exorcist. I already finished two other drawings of Rin....