Battle Mages Also Come to Be Adventurers?

[Pseudo DND], [Hodgepodge], [Adventure Story] Li Yue traveled through a fantasy world. To be honest, he was a little confused. Because his physique is so bad that a goblin can kill him with a stick. Fortunately, he has a plug-in. [Innate Ability]: Memories of the Dead By touching dead creatures, you can extract skills and knowledge from them. [Skills acquired: cleave, precise strike, blood rage burst, dragon tooth burst...] [Acquire magic knowledge: Sunburst, Wishing, Invincibility, Mordenkainen's Sword, Disaster Blade...] ... Is this what it takes to become a battle mage?