Prince Blueblood is shocked to find that not only has yet another villain escaped the grasp of justice, but that said villain was invited into Canterlot as a guest. Princess Celestia must be completely insane to think reforming the former King Sombra is going to work. Blueblood is all set to leave untill he learns of a possible reward for aiding in the reformation. Following the carrot dangling in front of him, Prince Blueblood the 57th sets his sights on the former Crystal Despot of the North!
Or at least try to.

Warning because i have to: M/M shipping ahead.
Tag clarification:
Sex is there for implications 'off screen' and a singular use of the word "Cum".

This story came about, sometime the last year while I was still having my mental power outage, just based on one of the last lines in this story.