der_kluge
Adventurer
The way we rule it is that contingency takes 20 on all of the caster's skills, even if the caster is prone, unconcious, asleep, or whatever.
So, if the thing that would activate the trigger *could* be seen or heard by the wizard as if he rolled a 20 on his check, then it would activate.
So, if the thing that would activate the trigger *could* be seen or heard by the wizard as if he rolled a 20 on his check, then it would activate.