Generally speaking, for prisoners of war like this, they would be directly killed after Priscilla extracted useful information from them through interrogation, without requiring additional handling.
After all, humanity and mercy were luxuries, reserved for enemies who still had a conscience, not to be wasted on these beasts with no possibility of reformation.
However, the members in charge of the interrogation discovered a very strange phenomenon. The minotaur, who had been cursing and wailing a few days ago, actually showed no response to the interrogation methods a few days later... as if he could no longer feel pain.