Shinwa Densetsu no Eiyuu no Isekaitan - Volume 9, Chapter 2 – Roar In Silence, Part 4

He possessed the Xuan Gate Medical Arts and had fortuitously obtained a heaven-defying Spiritual Treasure!

Zhang Gong decides to learn light magic, a magic few show interest in and eventually becomes the legendary Grand Magister. While trying to end the continent’s east and west separation in order to unite all of the different races, he becomes every race’s Child of Light.

For some reason, Shao Qian devoured half of the system that tried to devour his soul after tricking him into completing missions in worlds where he was horribly humiliated.

Since he didn’t feel like returning to his original world anymore, he decided to return to the worlds of which he had the coordinates and retaliate against them!

But…….

Why is it that every world seems not quite right?

Could it be the method he used to cross through the worlds was wrong?

Why is the female lead completely ignored by the male lead who, for some reason, is currently sticking to him like glue?

- Description from Novelupdates

Death followed Achilles like a plague.Finding himself at his lowest point, he comes to realize how little value human life held as terrifying Advanced Humans and Evolutius Beasts waded across the Colonies of this world.About to lose the only remaining person close to him by falling into the jaws of an Evolutius Beast, a spark bloomed inside of him, and he saw a distinct blue panel appear before his eyes![Achilles Maxwell][Assimilation]:: -[Existence Corruption Value]:: 0%[Complexity]:: NegligibleA simple spark. And yet the changes it brought…were limitless!