Dave Strider from Homestuck ala the fan adventure Heinoustuck, in which children are killed on their 13th birthday to undergo transmutation.

Look I just can't resist anything with monsters/terrible monster people. UnU

This is simply the completed line art and I will be coloring this soon.

A larger file along with a couple detail shots are here on my Tumblr post: http://artboigles.tumblr.com/post/38623319865/fear-is-the-mind-killer-heinoustuck-dave