The War-god of Conquering the Heavens - Chapter 16

Nagasawa crossed to Naruto Universe and was bound to Konohagakure.

If Konoha is severely damaged and destroyed, Nagasawa’s lifespan will be reduced.

He panicked at the thought of the upcoming Nine-Tailed Demon Fox’s attack , and the thought of Konoha getting destroyed left him in despair.

Fortunately, while bound to Konoha, he can obtain templates of powerful characters.

At the beginning, He got the Whitebeard template! Since it’s the Whitebeard from the Summit War of Marineford, he can use Tremor-Tremor Fruit’s ability and Haki.

Facing the Tailed Beast Ball, which terrorized Konoha Shinobi, Nagasawa leaped and shattered the Tailed Beast Ball with one punch!

- Description from Novelupdates

This story is set during the end of the Sui Dynasty, a time where multiple powers struggled for supremacy and power.

Hurt. Bullied. Ignored. Boris decided to end his life in the most pathetic, cowardly way imaginable.But of course—how could even death go right for him?Fate, it seems, had other plans.Boris wakes up in another world, reborn as Kaden Warborn—the second young master of the Warborn family. A clan of glorious madmen who treat death like a family tradition.And wouldn’t you know it—death comes knocking again.[Congratulations, Host. You have awakened the Cycle of Rebirth System.][Core Principle: Die to grow stronger.][So go on, Host. Don’t be shy.][Court death.]…Excuse me?Armed with a system that rewards dying, surrounded by maniacs who treat funerals like festivals, Kaden Warborn begins his new life.Hopefully, this time, not like a coward.

As the last abyssal demon in the world, Wen Long was pulled into various worlds to do tasks by a guy who claimed to be a system. The goal of her mission was to save those villains who had been blackened for various reasons…

- Description from Novelupdates