I know, the alien ghost Baryl told me as much when I asked them what they were after. They're gathering energy, and apparently have been for a long time.

[He sits on one of the cushions and rubs at the knee Santiago broke]

I'm sorry, do you have an ice pack? Or heat pack? Pain killers?

[He rubs his knee a bit, considering his answer...]

I... vaguely remember being taken.

[Flashes of Toriel, and the selfie they took together. Of Ryuko, who had fought bravely with him. Well, she fought he pointed out where to strike...]

I know... I know I'm not from this world. I'm not a musician, I'm a volleyball player.

[He stops and rubs his knee, and then sadly]

I was on the track for going pro.