Mamoru doesn't know he possesses such power; the knowledge of his own crystal is locked away somewhere, buried beneath the mountain of things he's still in the process of recalling. What he does remember is coming back to him in flashes of images and snippets of information that had once been common to him.

Like his name. He knows his name now.

"Where else would I go when you're still here?" Pops out before he can think better of speaking to her as Endymion would Serenity. "You're not well, Sailor Moon. Were you hurt?"

If she was, he would never forgive himself for fleeing as he had. For failing her, however minute, a second time.