Rebirth : The Alchemist's Path - Chapter 92: Secrets of the Forging Hammer

For Cain, the promised land of opportunity in the Pokémon World was not the paradise he imagined. Instead, he fell into the hands of the sinister Team Rocket, a prisoner on an island where darkness devours hope.However, even in the most desperate moments, fate did not abandon him entirely. A strange twist brings him back to the beginning of it all, to the place where his dreams were buried under the shadows.Now, with the knowledge and scars of his previous life, Cain has the chance to correct the course of his destiny.Free from the chains of the past, he must forge his own path in a world full of mysteries and dangers. With new allies and old enemies, the battle for his freedom will not be easy, but Cain has decided that this time he will not fail. Neither against the Pokémon nor the humans who stand in his way.

The god king of Xiaoting in the upper realm fights down, and the spirit of the mixed dragon spirit is reincarnated on the earth, runs rampant in the city, and then fights in the sky.

Those who obey me prosper, those who oppose me perish!

- Description from novelbuddy

A series of short stories in the world of Toaru Majutsu no Index organized into chapters featuring Kanzaki Kaori as the protagonist, going around the world and space doing missions for the Church of Necessary Evil, however, there is more than meets the eye as each incident is connected.

One chapter was bundled with each limited edition release of the Toaru Kagaku no Railgun anime DVD and BDs, with all of them together being equivalent to a single normal Toaru Majutsu no Index volume

I woke up only to realize—I'm in the middle of the Second Great Ninja War, just before the deployment ceremony!Year 32 of Konoha.I’m Uchiha Ryun, 18 years old, and a graduate of the same class as the Legendary Sannin.But with just a one-tomoe Sharingan and a few C-rank jutsu, how am I not cannon fodder?!Ding!The Strongest Ninja System has been activated.Complete missions. Earn massive rewards. Become unstoppable.Uchiha Ryun eyes lit up—“System, is there a newbie gift pack?”Ding! Newbie gift pack available…--------Naruto, Fan fiction, Uchiha