The Physician's Delicate Hands Cover the Sky

Her mother died giving birth to twins, and she herself nearly drowned. Returning in a storm of blood, she vows to reclaim her place at the top! Her vile elder sister stole the phoenix destiny decreed for her? Ha! The higher you fly, the harder you fall! A commandery princess has designs on her father? Fine, she'll let her taste the shame of utter ruin. Her grandfather is a scumbag who cares about power, not people? Then she'll grind the entire Marquis's estate into the dirt! A certain battle god, one of a kind in a thousand years, declared: Even if she brings down the heavens, he'll hold them up for her! So she trounces every scoundrel in her path, yet somehow she can never escape his grasp.