Swallowed Star: I am the Lord of Dao

(The first thirty-odd chapters are more slice-of-life, and the female lead's storyline ends there. After entering the elite training camp, things take off and get better!)

Lin Yan transmigrated to the world of "Swallowed Star" and obtained a treasure called "Yan Dao Disc" with deduction and analysis functions.

then........

Deducing basic sword techniques → One slash to slay the god of the wilderness

Deducing basic body movements → One step, one universe

Deducing defensive secrets → Counter-attack leads to enemy's self-destruction

...

Many years later.

"Being invincible is so lonely!" Lin Yan looked at Yuan and the other Hunyuan lords, then at the Hunyuan progenitors, and couldn't help but sigh.