>>280386379He didn't pass on though? He's still alive even in the post-story extras. He'll probably turn to dust in a few years like the rest of the GK residents but it hasn't happened yet.
Also I got the vibe that she just grew an attachment to him because she felt that they had a bond as 'two people whose bodies were messed with by magic shit', which she then built on by thinking they could go on an adventure in order to fix both their bodies, even though she eventually gave up on that (or at least, gave up on going with him)