Here's a quick sketch I did, and seeing how it looked kind of bland without color, I decided to spend two more hours on it using brushes with the opacity and paint load settings made to imitate acrylic paints.
Too bad I suck bollocks when it comes to coloring :(
Either way, here's Nightstalker, Balanar, Dota 2 Batman, et cetera.
Meh hero, in my opinion, since he's only good when you snowball and get good early ganks off. Usually whenever I play him and it's nighttime in-game I can just right click an enemy hero, sit back, and watch the show.