After Practicing Magic for Hundreds of Years, Why Am I Still a Magic Apprentice?

A hundred years ago, Nan Feng traveled to the world of fantasy magic. He practiced magic from a magic apprentice to the 100,000th level, but has yet to break through to a magic apprentice... Nan Feng discovered that his childhood sweetheart had already achieved the level of a high-level magician... Damn it, in my last life! What a crime! Nan Feng chose another magic profession called gun and sword magician, a relatively rare profession... If you don't laugh, come and hit me! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.