Good, now I'm going to bring in some non-magic technological foes. You shouldn't just know how to fight another mage, you need to know how to fight every single type of enemy, or at least be able to adapt quickly.
What Charles didn't know is that he had just portaled into a very top-secret area, where it was shoot first, shoot again, and THEN ask questions. At least five fighter class vessels swiftly zeroed on his position an opened fire, their make seemed to be that of a generic weapons company, although they were known for their dangerous firepower. They seemed to be having some trouble maneuvering in the confined space of the asteroid field, but they were being piloted by trained soldiers, and they could manage. Opening fire with a small barrage of basic energy projectiles the fighters seemed intent on making Charles swiss cheese.