Brew Potion (NWN)

Specifics
The character can create a potion of any spell of 3rd level or lower that the character knows and that targets a single creature. Brewing a potion will cost a small amount of XP as well as some gold to cover the material cost. The costs for brewing a potion depends on the level of the spell as well as the level of the resulting potion.

Some examples

 * A potion of bless (1) will cost 50 gp and 2 XP
 * A potion of prayer (5) will cost 750 gp and 30 XP