Naruto System in One Piece - Chapter 490Naruto System In One Piece

Before his death, he was the only sword cultivator in the whole world, who dedicated his entire life to the path of sword immortality.

When he opened his eyes again, the world had completely changed. He began to cultivate the path of sword immortality again, slaying the heavenly way, shattering the universe with his will, and achieving the realm of sword immortality!

- Description from Novelupdates

After transcending to a new world, Ye Xuan miraculously obtained the Swallowing System.

Not only could it swallow everything (wink wink nudge nudge), it could also extract bloodlines, martial arts, godly weapons, medicinal pills, treasures…

“This (beer) is way too strong! Don’t challenge me! Do you believe that I can’t swallow your divine swords?”

- Description from Novelupdates

A High School Boy without friends, Odamori Tooru reincarnated into a Fantasy World after a bus accident on a School Field Trip. The job that was drawn 『Slavemancer』a Cheat occupation that dominates the minds of other.

Mu Xuan traveled through the dangerous world of beastmasters. Fortunately, after successfully contracting beastmasters, he awakened two golden fingers one after another: blood extraction and fusion, and information panel!

So, Mu Xuan extracted his blood, designed the evolution route of the strongest beastmaster, and became the strongest beastmaster!

The world is at my feet, and the stars are not out of reach!

Ice Crystal Spirit → Ice Crystal Frost Dragon → Dyeing Embers Frost Dragon → Jie Embers Star Dragon!

Space Tanuki → Void Dragon Weasel → Leaping Sky Dragon Weasel → Heavenly God Dragon Weasel!

Heavenly Secret Illusory Butterfly…→…→…Nine Deaths Returns to the Reincarnation Butterfly!

Destroy the Demon Bear…

Holy Spirit Make…

Sun Golden Crow…

time old man…

- Description from novelbuddy