Sasuke was silent for a moment, processing the idea. If it had been him ... if it had been Fugaku, and somehow the heaven seal had been released and beyond his control -- no, there was no way to manage this without being forced to assume that non-patients in the Institute at night were one of the monsters. There was no way and no point in pulling people out of different worlds for the express purpose of killing them; it furthered no goals at all.

"It was a defence mechanism, then," Sasuke said, contemplative. "This friend of yours, would he ever have tried to truly hurt you in your world?"