[ These sorts of things are a bit difficult to explain. If Megumi is still able to follow along (or pretend to), it's impressive because sometimes i sure as hell don't understand what's going on, but that's fate/ for you. ]

Rayshifting gives Chaldea masters the ability to send their soul to a different time period. It can be the past or the future. When my master successfully rayshifts, they can summon the rest of us from Chaldea. That's how it usually works anyway.

[ But as of now, he did not find his master. So while he's used to being summoned to random places, it's odd that he arrived here without the person that he's contracted to. ]