SRD:Disable Device Skill
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Disable Device (Int; Trained Only)
Check
The Disable Device check is made secretly, so that you don’t necessarily know whether you’ve succeeded.
The DC depends on how tricky the device is. Disabling (or rigging or jamming) a fairly simple device has a DC of 10; more intricate and complex devices have higher DCs.
If the check succeeds, you disable the device. If it fails by 4 or less, you have failed but can try again. If you fail by 5 or more, something goes wrong. If the device is a trap, you spring it. If you’re attempting some sort of sabotage, you think the device is disabled, but it still works normally.
You also can rig simple devices such as saddles or wagon wheels to work normally for a while and then fail or fall off some time later (usually after 1d4 rounds or minutes of use).
| Device | Time | Disable Device DC1 |
Example |
|---|---|---|---|
| Simple | 1 round | 10 | Jam a lock |
| Tricky | 1d4 rounds | 15 | Sabotage a wagon wheel |
| Difficult | 2d4 rounds | 20 | Disarm a trap, reset a trap |
| Wicked | 2d4 rounds | 25 | Disarm a complex trap, cleverly sabotage a clockwork device |
| |||
Epic Check
You can rush your Disable Device attempt, reducing the amount of time it takes to perform the attempt.
| Reduce to | DC Modifier |
|---|---|
| 1 round | +20 |
| Move-equivalent action | +50 |
| Free action | +100 |
Action
The amount of time needed to make a Disable Device check depends on the task, as noted above. Disabling a simple device takes 1 round and is a full-round action. An intricate or complex device requires 1d4 or 2d4 rounds.
Try Again
Varies. You can retry if you have missed the check by 4 or less, though you must be aware that you have failed in order to try again.
Special
If you have the Nimble Fingers feat, you get a +2 bonus on Disable Device checks.
A rogue who beats a trap’s DC by 10 or more can study the trap, figure out how it works, and bypass it (along with her companions) without disarming it.
Restriction
Rogues (and other characters with the trapfinding class feature) can disarm magic traps. A magic trap generally has a DC of 25 + the spell level of the magic used to create it.
The spells fire trap, glyph of warding, symbol, and teleportation circle also create traps that a rogue can disarm with a successful Disable Device check. Spike growth and spike stones, however, create magic traps against which Disable Device checks do not succeed. See the individual spell descriptions for details.
Other Ways to Beat a Trap
It’s possible to ruin many traps without making a Disable Device check.
Ranged Attack Traps
Once a trap’s location is known, the obvious way to ruin it is to smash the mechanism—assuming the mechanism can be accessed. Failing that, it’s possible to plug up the holes from which the projectiles emerge. Doing this prevents the trap from firing unless its ammunition does enough damage to break through the plugs.
Melee Attack Traps
These devices can be thwarted by smashing the mechanism or blocking the weapons, as noted above. Alternatively, if a character studies the trap as it triggers, he might be able to time his dodges just right to avoid damage. A character who is doing nothing but studying a trap when it first goes off gains a +4 dodge bonus against its attacks if it is triggered again within the next minute.
Pits
Disabling a pit trap generally ruins only the trapdoor, making it an uncovered pit. Filling in the pit or building a makeshift bridge across it is an application of manual labor, not the Disable Device skill. Characters could neutralize any spikes at the bottom of a pit by attacking them—they break just as daggers do.
Magic Traps
Dispel magic helps here. Someone who succeeds on a caster level check against the level of the trap’s creator suppresses the trap for 1d4 rounds. This works only with a targeted dispel magic, not the area version (see the spell description).
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