Art by Moray-eel.
The story behind this piece is that the warrior taur has spent hundred of years guarding the grave of his human lover. His grief is so all consuming that he is psychically bound to the site.
And deservedly so. If he hadn't foolishly and recklessly entered into a inter-species relationship he wouldn't have pummeled the poor guy to death with his horse cock. Let this be a lesson to everyone.