ResistPoison

Affects the magnitude, or duration is there is no magnitude, of magic effects applied to the actor through poisoned weapons. Default value is 0, which corresponds to full effect of the effects the poison lists. Values lower than 0 amplify the effects of poisons on the actor, while values greater than 0 diminish them, until making the actor immune to poisons at a value of 100.

Also affects the damage received from gas traps in the same way, such as the ones found in Ayleid ruins.