This artwork was commissioned by me and drawn by arcmimus:
twitter/arcmimus
I have permission to distribute this work.

"Suffer Not the Unclean to Live.
Uphold the Honor of the Emperor.
Abhor the Witch, Destroy the Witch.
Accept Any Challenge, No Matter the Odds."

This artwork depicts an Emperor's Champion of the Black Templars chapter from Warhammer 40k, in a last stand against the mysterious alien Cacodominus of the Catalexis Heresy.

Design used for the Cacodominus was my own:
pixiv #123312706 "»":[/posts?tags=pixiv%3A123312706]