What? You Want Eighteen-Year-Old Me to Train in Eighth-Level Fist?

(There is a female lead, a single heroine, and the protagonist is nearly invincible.)

When I was eighteen, the world changed, just like in a novel.

Spiritual qi revival ushered in an era of high martial arts. Everyone had a chance to gain the power to overturn mountains and seas, and secret realms, where risk and reward went hand in hand, began appearing like bamboo shoots after rain.

The road was full of thorns, dangerous yet brimming with hope.