C476 Survival of the Fittest

The relationship between successors is pure, natural, irresolvable.

It could be explained with a popular theory.

"Dark Forest.

Any Devil Arts could reach the top of the cultivation world. Even if it was' invincible ', it wouldn't be an exaggeration to describe it.

If there was only one Devil Arts in this world, then these cruel bloody fights wouldn't have happened.

However