Standard Thieving Modifiers

Thieving Modifiers

These modifiers are all in addition to the ones listed in the PHB.

Also, note that after all modifiers, a check can never be better than 99% or worse than 0%.
And, any ability can be done in 1/5 the normal time at -50%.
And, after modifiers, if the check is failed by 40% or more, this indicates a critical failure. This means a pick pocket is caught, and a trap is set off, etc. If the check cannot be failed by 40% or more, than no critical failure is possible. This is slightly different from the way the PHB handles things.
Lastly, any ability can be used in combination with another action at a -100% penalty.

Picking a sleeping victim's pocket	+ 50%
Picking a thief's pocket	- 1/2 thief's pick pocket score
Subject is aware of thief's attempt	- 50%
Subject is holding the item being picked	- 50%
Pick pockets attempted from a distance (with rope and hook, etc.)	- 100%

Opening a lock of variable quality	+/- 1-20%
Without thieves' picks	- 25%
Freeing yourself from bindings (rope, etc.)	- 30-100%
Opening a magical lock (wizard lock, etc...)	- 100%

Finding/removing a trap of variable quality	+/- 1-20%
Without destroying trap (ie, remove it, then put it back)	- 40%
Finding/removing magical traps	- 50%

While a thief is detecting noise	- thief's detect noise score
Subject is searching for thief	- subject's perception
Subject(s) not attentive	+ 20%
In loud surroundings	+ 20%
Subject(s) sleeping	+ 40%

Subject(s) not paying attention	+ 40%
Dark/night	+ 20%
Subject is searching for thief	- subject's perception
Sneaking in front arc of Subject (within 20')	- 40%
Subject aware of thief	- 40%
Nowhere to Hide	- 50%
Subject focused on thief	- 100%
Subject can magically detect thief (True Seeing, etc)	- 100%