Starting With the Transmigration

Briefly about Starting With the Transmigration manga:

In a world where there is no path to immortality, Lu Cheng is the only person who can summon the lightning of ascension, the thing that allows you to begin the ritual of becoming immortal. After his betrayal, he died, but a suddenly activated system kept him alive.

Starting With the Transmigration manga.

He will now become the greatest being in the universe! He will avenge the loss of all his loved ones… He will rise to the very heavens!