Vodare

Vodare: An extremely bitter brown powder, vodare is usually mixed with honeyed water or sweet wine to dilute the taste. It is made from the crushed petals of a flower that grows only on the graves of those who dedicated their lives to the worship of darkness.
Initial Effect: +2 bonus on Intimidate checks and saving throws against fear effects for 1d4 hours.
Secondary Effect: –4 penalty on Persuasion and Deception checks for 2d4 hours.
Side Effects: Mild euphoria and fierce confidence while the drug is in effect.
Overdose: If more than one dose is taken in a 4-hour period, the user becomes catatonic (CON DC 15 negates this effect).