This is really not mechanical ascension - Chapter 752 - 391: Underwater Changes

The only being with extraordinary powers on Blue Star has mastered the Gatling Flight, turning missiles into flying swords. His short-term goal is to destroy planets using psychokinesis.

An unexpected transmigration and upon opening her eyes, she encountered a sleazy man trying to take advantage. Considering Su Yu was the heir of medical studies, proficient in multiple martial arts. How could she endure such a great shame? Just as she was about to show some of her moves, someone heroically came to her rescue, though he was somewhat disabled, his good looks were undeniable.With nowhere else to go, Su Yu naturally had to offer herself in return. It was just a limp, and it happened to be her specialty.Watch how she heals her handsome husband and together with her family, happily engages in farming and grows wealthy...

This novel is also known as Phoenix Cry Firmament

The previous owner of Mu Ru Yue’s body had been poisoned. Because of this, her meridians were blocked, hindering her cultivation, which eventually led to her being known as trash. After being beaten to death, Mu Ru Yue, who had originally been a successor to a medicinal aristocratic family in Hua Xia, reincarnated into her new body.

They want to seal my path?

I will train to reach the peak of the realms!

They give me a foolish prince as my husband?

I can make do with him.

It would be easier for me to deal with him, rather than with other candidates who would be thrown at me in the future. I shall strive to become powerful enough that nobody will be able to mock or kill me!

- Description from novelupdates

In childhood, they were neighbors. Xie Zhen always bullied Li Yu.

Who told him to be as beautiful as a girl?

After parting for many years, they met again in the capital. With a tall stature and heroic bearing, he seemed like a completely different person.

Not only that, but his identity had also risen to that of the sixth prince.

Hearing he wanted to marry her, Xie Zhen was almost scared silly:

Σ(っ °Д °;)っ What’s his intention? Taking revenge on her?

- Description from Novelupdates