Agony - Liquid Pain

Agony (Liquid Pain):This drug is a thick reddish liquid. It is the distilled essence of pain, captured using special spells or items It is highly sought after by evil outsiders. The drug has been specially preparred to provide the opposite sensation as the originator experienced. Consumers experience a pleasure as intense as the pain that was felt. It must be consumed orally or applied to the skin.
Initial Effect: User is stunned for 1d4+1 rounds and can take only movement actions for 1d6 minutes after that.
Secondary Effect: 1d4+1 enhancement bonus to Charisma for 1d10+50 minutes.
Side Effects: Feelings of intense pleasure last for 1d4 hours.
Overdose: If more than one dose is taken in a 24-hour period, the user immediately falls unconscious for 1d4 hours (CON DC 20 negates this and user remains concious).