When the eldest princess Xiao Lingxi used a bone china bottle to catch the blood of the assassin Pei Jingxian, the thorn pattern on her wrist burned like a soldering iron. Three years ago, she stole Pei Jingxian from the Queen Mother's butcher knife, but was forced to become the host of "Tongfate Gu". Pei Jingxian slit his wrists every night, not knowing that Xiao Lingxi had introduced poisonous blood into himself, and that the cinnabar mixed with the prayer flags on the altar was the blood Xiao Lingxi coughed up to pray for her.
When Pei Jingxian turned over the incense burner and saw the phoenix-shaped poisonous blood hair in the ashes, Xiao Lingxi was melting the imperial seal into the dagger: "Chalcedony can cure the poison of your blood, but if it is melted, I will not survive the third watch." Heavy rain. In the firelight of the night, Pei Jingxian crushed the detoxifying chalcedony and thrust the fragment into Xiao Lingxi's heart with his backhand: "Do you think I will believe it?" But he saw that thorn marks on Xiao's wrists had covered her body - the poison should have killed her five years ago.
Three years later, in a Jiangnan teahouse, the proprietress brought out purple water chestnut tea, and the tea foam had the same blood streaks as the bone china bottle back then. The storyteller struck the wake wood with the phoenix carved on it, and wrapped in the faded prayer flags in the dark were the fragments of the jade seal that Pei Jingxian dug out from the Queen Mother's heart. The prison edicts they carved in each other's blood eventually became the phoenix fire of the previous dynasty's doom.
Purpose: Break through thorns with thorns, and prove each other's true nature in the purgatory of power.