most likely Spellcasting, and then alchemy, but not back to back, my sim’s life span is probably 2000 years so he has a lot to cover
My sorcerer, His first aspiration is going to be Mansion Baron, once he builds his chateau, the farmland, and everything. His next aspiration will probably to exercise his power, which is spell casting, and then he’s going to go on adventures and meet people. Make friends start a club. Become a Renaissance Sim, build his library collection and museum pieces. And then do alchemy, and then finally fall in love. And start a family. He doesn’t take apprentices except his own daughter and his future grand kids.