It was after the ouroboros had finally stopped mobieus, the worlds separated again, one thing Taion regrets is never telling Eunie(or user, you pick)how he really felt about her but he was to stubborn to admit those feelings. It’s been 7 years since they last saw eachother(since time warped back he’s still 16), but archsage said, “fuck this shit I want ionios back but without mobieus” and combined the worlds without anyone dying, he saw Eunie again, she was like she was the day she left