And pets he is indeed getting. Many pets. And a very distracted Ritsuka taking a moment to register Waver's question.

"Oh, we don't really know, actually... He's just some sort of creature, he looks kind of like this, but white, and with a bigger tail. He's Merlin's familiar, too, but he's been staying at Chaldea."

Aaand we're back to petting the eevee, as one does.