I Became Invincible After a Billionfold Boost

The empire crumbles, and the demons descend.

As an age unlike any before dawns, a young man gains the ability to amplify his innate talents. Destined to emerge and stride onward, he must endure the hardship of separation from his parents and loved ones. Demon or monster, it makes no difference to him: he will keep moving toward the goal in his heart.

Dare to stand in my way, and I'll climb to the highest heavens, descend to the deepest underworld, destroy my past life, and cut down my future one. I'll make sure your head hits the ground!