- Chinese: 七日賤骨頭
- Pronunciation: Qi Ri Jian Gu Tou
A poison that forces a person do something low within seven days as the poison takes effect. The arrow containing this poison is made of human skull. The longer the poison remains in the body, the more dispicable the acts will be as well as the more salty the wound will be. After 7 days the person will die leaving behind a dispicable reputation.