Magic, Science, and Half-Baked Magicians

Simon Fisher, who was reborn in another world and became famous, has many famous names. For example: Thea's strongest sage, mountain destroyer, tactical strategy master, alchemist master... But despite being able to establish a sect, he thought he was just a half-baked magician with poor academic skills. Since we can't set off big fireballs, we can only rely on science to maintain our daily lives.