I Was Reincarnated as the 7th Prince So I Can Take My Time Perfecting My Magical Ability 4 (manga)

Prince Lloyd wasn't always a prince...in a previous life, he was a sorcerer, of sorts. So when he was forced to reincarnate, he decided to continue his studies, prince of the realm or no! But his new life has its own sets of challenges...including being a 10-year-old! What's the 7th prince/sorcerer to do?!The popular digital-first isekai adventure comes to print!Fortunes change in a blink!Has the unstoppable boy who made sorcery his whole life finally met his match? Prince Lloyd and the assassins have finally found Jade, the old leader of the Assassins Guild. But they find his body has been taken over by a powerful demon lord, the one they call Guisarme.

His strength is magnitudes beyond any foe Lloyd has faced before, he's invulnerable to sorcery of all kinds, and he wields the power of teleportation. How will Lloyd magic his way through this?