The painting of blood stained mountains and rivers

On the day he helped him ascend the throne, he gave her a wedding dress that was stained red with the blood of the entire prime minister's mansion, and asked her to marry.And she retaliated to him by destroying his sweetheart, assassinating his mother, and instigating his younger brother to take over his country. As long as he thought it was important, she would destroy it all, without mercy.I thought this revenge would never end, but he stood in front of her and handed the handle of the knife to her: What you want most is my life, take it...