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Typically used with: Intellect.

In short: master machines. The Machinery skill is used to create, operate, tinker, repair, circumvent, or sabotage mechanical devices and obstacles of all complexities. This skill is extremely useful for the mechanically inclined, and can allow a player to perform all sorts of handy tasks: open locks, diffuse bombs, disarm traps, repair equipment, operate vehicles, and subvert machines.


The difficulty for a Machinery check depends on the object being disabled or repaired.

Example DL
Disable an overly simple trap, replace a flat tire 10
Disable a standard trap, open a simple lock, change the oil in an engine 15
Repair a disabled vehicle 20
Disable an overwhelmingly complex bomb or piece of machinery 25

The following table lists situational bonuses and penalties to the Machinery check.

Situation Check
Character is using tools geared specifically for disabling the given type of obstacle (e.g. magical lock picks, a bolt-cutter, a crowbar) +4

The character may be granted a bonus on disabling an obstacle if he or she knows how to build one (typically, a good Lore check, ranks in Occupation, or spell ranks relevant to the obstacle spell cast).

If the character is attempting to disable an object, and reaches or exceeds the DL, the obstacle is disabled. If the character surpasses the DL by 5, he or she can leave the obstacle seemingly untouched. If the character surpasses the success requirement by 10 or more, the character can re-set it after his or her party has circumvented it.

When attempting to operate a mechanical device, a check can be made to operate it safely and effectively. The DL should be based on how complex the machine is.

Opposed Rolls

Machinery checks can be opposed with other Machinery checks, as in the case of a car chase.


Machinery attempts can be retried as many times as necessary, however, if consequences come with failure (read: the darn thing blows up in your face), such consequences are incurred and may possibly be incurred again after each failed attempt. Flat tires generally don't get flatter, however.