MTL - Super Dimensional Wizard - v6 Chapter 3294 Yatesin

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

Wang Chen unexpectedly transmigrated to a world of immortal cultivation.He became a Qi Cultivation junior in the Outer Sect of the Cloud Sun Sect in Dongcang State.Within the sect, the hierarchy was stringent and the power struggles were fierce;Outside the sect gates, Demons roamed and Evil Wraiths were rampant!Wang Chen, who was weak in strength, decided to lay low until the end of time.However, with time goes by…He persisted and was surprised to realize that he had already unexpectedly become a Bigwig!!!

It begins on the mountain.

With the glint of a knife, a flash of steel in the hands of a sworn brother. A betrayal.

Stabbed and pushed down the mountain, Zi Chen lied within the red-stained snow, left to die.

This is where it begins; he is given life by lightning,
baptized by thunder.

Those who had once betrayed him should all suffer in his cruel revenge.

- Description from Novelupdates

It was only after Su Yayan's death that she realized that she was a malicious cannon fodder female character who became a scapegoat in a Mary Sue story.