It was impressive what the spells of his home could cover, and if he were a wizard he could take the time to learn them all! Unfortunately,though, he wasn't a wizard. So he couldn't learn them all. He could have chosen to take the pact of the tome and come close, but he chose not to go that route because he worked alone in almost all cases. Being able to conjure a weapon was more helpful in this case.

"There are a lot of nasty creatures and evil-aligned people in the ruins of ancient cities. I just want to find old dusty books and make maps." The last bit wasn't wrong, but it was also said more in jest than seriously. "So if what you have from where you're from isn't magic, may I ask what it is?"