Rig

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Tiered Skill

Rig covers all actions that have to do with the proper application of practical mechanics. This includes determining how a mechanical system works, modifying or destroying mechanical systems, and creating mechanical systems.

Specific Uses

Deduction

Use this skill to determine exactly how a mechanical system works. The time it takes to deduce this is proportional to how difficult the system is.

System DC Example Time Taken
Basic 10 A lever set up to push a rock 1 round
Simple 15 A simple lock 1 minute
Intricate 20 A pulley mechanism attached to a ratcheting lever 2 Minutes
Complex 25 The spring and gear mechanism in a spring-loaded blade 1 hour
Overly Complex 30 The internals of a clock or watch One Day
Insanely Complex 40 The internals of a clockwork machine One Week

For every 5 points that the check exceeds the DC, the time taken is reduced by a quarter.

Modify

Complexity Modifiers
Complexity DC mod Time Unit
Basic -5 Rounds
Simple -- Minutes
Intricate + 5 Hours
Complex +10 Days
Overly Complex +15 Weeks
Insanely Complex +20 Months

Use this action after using the Deduction action to change or affect a mechanical system. The time it takes to perform this action depends on the action and the complexity of the system being modified.

Action DC Example Time Taken
Disable 10 Remove a key component 1 unit
Sabotage 20 Make the system fail after 1d4 + 2 uses 2 units
Change Result 25 Make a trap spring when disarmed 2 units
Simplify* 30 Reduce the number of parts necessary 4 units

* - Either reduces complexity level by one or reduces cost of production by a quarter at GM's discretion

Create

Use this action to create a system from scratch or to reproduce a system that has already been deduced. Creating a system from scratch adds 10 to the DC.

This action does not apply to manufactured items. A lock may be able to be deduced and modified, but a lock still must be made with the Craft skill

Note that no system over an Intricate complexity can be made with this action. More complicated systems must be manufactured as per the Craft skill.

Complexity DC Example Time Taken
Basic 15 Setting up a pulley system 10 minutes
Simple 20 Set up a basic shelter 1 hour
Intricate 25 Set up a simple trip-wire trap 2 hours

Skill Ranks

This skill starts out at rank zero. The upgrade cost of skill ranks is (6 + (current rank x 2)).

Rank One

Characters with Rank One Rig may attempt to

Rank Two

A character with Rank Two Rig is able to deduce, modify, and create mechanical systems at 2/3rds the time. The character has developed mental structures for quickly understanding groups of components, improving the speed at which he parses systems.

Rank Three

A character with Rank Three Rig can create Complex systems without using the craft skill. This allows him to create such systems as pressure-plate traps or water wheels provided he has access to the appropriate materials. The time it takes to create a Complex system is 1 week.