Climbing through the mountains.
Ability Score(s): Stamina + Power + Agility
Usage: The usage of tools when climbing and moving through the mountains (such as rope, pitons, and so on). If you would need to roll a skill check such as Rope Use or Balance, you can roll that skill check and use Mountaineering as an exchange, or you can roll Mountaineering and add that skill as an exchange.
If you are attempting to use a skill (such as Rope Use or Balance) while Mountaineering is Untrained and Mountaineering would normally be required, you take a -5 to the check.