"I would think it was obvious," Regulus says coolly. "And if not... what reason do I have to tell you?"

Although she's curious as well - most of the mental effect spells hadn't come up in their studies yet due to having few analogs in Gaian or Terran magic - Mikoto just listens for now. She still has the distinct impression Regulus would rather not be here if it wasn't for the potential threat to his world of origin.