Responses
No we already saw him switch like that once when he trashed his house and called MC by his old name. You can see it's Kael because his eyes are kinda empty with dilated pupils and he appear as Kael in the reflections. It's the second time it happened.
SO THATS KAEL???? I WAS NOT AWARE HE ALREADY KNEW ABOUT THEIR PAST LIVES, AM I DUMB OR IS THIS NEW INFO