The original host snapped out of it and realized she had used her own "superpower" to harm someone.
Aside from the original host still being somewhat alert, the key point was that she herself had also suffered backlash.
The Crown Prince is the heir, if nothing unexpected happens he will inherit the throne and become the next Emperor.
He carries a trace of "Dragon Luck" granted by the Heavenly Dao. To wound such a True Dragon Emperor—if it were any other crooked, demonic path—the attacker would definitely be gravely injured.
Because of the author's setup, the original host possessed heaven-defying good fortune; anyone she hated would meet misfortune.
When her Lucky Fish cheat clashed head-on with the Dragon Luck of the True Prince Charming, the True Dragon Emperor was indeed injured, and she in turn coughed up several mouthfuls of blood in succession.
Her whole body noticeably weakened a lot.
