His masks still have their purposes - everyday, eating, exercising, sleeping - but he can call them new things now; a kabuki-inspired mask, a spider mask, a tengu mask, a fox mask. There isn't any reason to which has become what, other than, according to Angie, dictation by Atua.
He was hesitant to let her touch them.
Now he hesitates before putting them on, inspecting each's paint shapes - getting to know who'll be joining him as he studies, takes tea, cleans, rests.
Analyzing them collectively into the new him Angie has fashioned him to try on; finding parts that feel never-before-seen.
Unused.