MTL - The Sage Who Transcended Samsara - Chapter 9 Hermitage

Finding himself in an Last Airbender without an airbender around, a transmigrator waterbender goes on an adventure to stop the worst from happening to him.

As disaster was about to strike, a group of survivors transmigrated into a desolated world and were challenged to a game of survival. From terrifying acid rains, to endless natural disasters, the heavens burn while the earth scorches, radiation is rampant, and nobody is spared from the dangers of this hellscape. The only way one survives is by building a shelter and slowly upgrading it in hopes of surviving another day.

Every myth and legend is a path to Godhood!

When humans enter the interstellar era, ancient cultivation techniques shone with new life. Your genes exist with you! A single sentence showing the true meaning of cultivation. Myths and legends are not a fantasy, there are ancient mythological genes in the bodies of everyone.

The Hou Yi Gene allows you to shoot a hundred miles, using a single arrow to break down the dome of heaven.

The Kuafu Gene allows you to run with flying speed, chasing after the sun and moon.

The Divine Dragon Gene allows you to soar among the clouds, roaming around the starry space.

….

Almost ten thousand years have passed. Feng Lin came from the 21st century to this majestic era that surged forth with great momentum. Based on his understanding on the myths and legends of the ancient earth era, he embarked upon a unique genetic cultivation path.

Monkey Gene + Stonebirth Gene = Stone Monkey Gene

Stone Monkey Gene + ??? = Spiritual Stone Monkey Gene

Spiritual Stone Monkey Gene + ??? = Handsome Monkey King Gene

Handsome Monkey King Gene + ??? = Sun Wukong Gene

Sun Wukong Gene + ??? = Great Sage Equal to Heavens Gene

- Description from Novelupdates

Yuki, a high school junior, dies heroically saving a stranger and is reincarnated in a fantasy world, where he discovers an extraordinary and unrivaled power.