In-game description: You were trained for this since you were a little kid. They were feeding you strange mushrooms and herbs. Now you can drink potions that would otherwise be poisonous as if they were water. But as a result, you are sterile.
In-game effect description: Advancing this skill increases the duration effect of the potions.
Rare Mutation increases the duration of potion effects by a certain duration per level.
|Level||Potion Effect||Duration Increased|
Rare Mutation was originally called "Brewmaster" which still reflects in the command to learn it (/learn_brm) and to see the skill description (/skill_brm) in game.