This is Sorrow.

There are a few words to describe this draconequus:
Depression, despair, disturbed, anguish, unstable, murderous, insane, criminal, illusionist, abductor, lunatic, evil, Plague Bringer, a monster, and Elder brother of Discord.

Short Story link: http://wp.me/P65KpC-5z

Sorrow the Draconequus is copyright me.
Ink, watercolor pencil