Rebirth + revenge + double strength
She was originally a queen of a country, but she was sent to an enemy country as a concubine by the emperor's husband while she was pregnant, just to get a ten-year truce!
The enemy king toyed with her until she had a miscarriage. In the end, she was half-clothed, covered in scars, and died on a foreign bed!
After her death, he slaughtered the palace with blood, trampled the tyrant under his feet, and ascended to the throne!
Witchcraft is now prevalent in the world, and the emperor wants to see his dead lover!
His only purpose in living is to kill everyone who has ever bullied her!
