Warlock Invasion of Naruto.

Bai Yu, a second-time transmigrator from the Wizarding World, arrives in the Naruto World.
The "Book of Ancient Wizards" within his soul showed him the possibility of becoming a high-ranking wizard.
......
The powerful fireball, however, cannot match the speed of the improved level 0 spell, [Acid Missile].
When Impure World Reincarnation encounters Soul Binding Technique, or Flying Thunder God Technique faces Dimensional Lock, which is stronger?
......
"As we all know, wizards encompass everything, and sorcerers are a branch of wizards, so it's reasonable for me to know some ninjutsu, right?"
After saying that, Bai Yu's entire body grew silvery-white scales, transforming into a colossal serpent that seemed to reach the sky.
"In this vast universe, I'll only take one bite!"