Master Poison Trap

 is a Destruction spell that is cast upon triggering trapped objects, including doors and chests, that are encountered throughout Old Mournhold.

Effects

 * Poison – 5 to 10 points for 50 seconds in a 1 foot radius on touch

Acquisition
Although not intended for use by the Nerevarine, can be acquired on the PC by using the console: Player -> AddSpell "trap_poison_killer"