Knowledge of Items

Lockpicking
Ability to open locks which are sometimes found on doors and chests. As this skill increases, the process of picking a lock will become less complicated, and mistakes will be less likely to break your lockpicks (which are required to use the skill).

Trap Disarming
Ability to disarm most traps. As this skill increases, traps will become less complicated to disengage.

Object Evaluation
Ability to know the price of a looted object. Used automatically whenever an item with unknown value is in the inventory, provided this skill is high enough.

Mercantilism
Ability to haggle and understand the value of a merchant's inventory. Allows for more profitable sales and less expensive purchases.

Object Identification
Ability to identify an unknown object's properties. Used automatically whenever an unidentified item is acquired, provided this skill is high enough.