Are you asking me to reroll because I didn’t say that I moved to your character before I attacked? Or do you have a situational reason why the Minotaur would need to reroll?
Unless you can provide a story reason or a mechanics reason why the reroll should occur, I rule that the critical stands.
Kossk recovers his bolts, though two of them look to not be his. They are made from a different wood than the rest, and they have the symbol of a Black Hand etched into the head of the bolt’s metal tip, metal being uncommon.