After the Cold Palace Was Ruined, the Tyrant Begged to Be Restored to His Favor

The heroine relies on top-notch real medical skills/pharmaceutical knowledge that transcends the times as her core capital and "golden finger", and all her achievements come from her own hard power. "Showing off" is the appearance, and "crazy criticism" is the method: the heroine uses her identity as an "abandoned concubine in the cold palace" and her deliberately created "crazy/salted fish" persona as a protective color and offensive weapon.