Nightshade is a quest item used in the Watchtower quest. It is a poisonous plant, and must be used to incapacitate the Ogre guards in order to access the Ogre Enclave.

Eating one results in ${\displaystyle \lfloor {\frac {\text{Hits}}{6}}+14\rfloor }$ damage, which is lethal at 16 Hits or below and up to 30 damage at 99 hits.

The damage is accompanied by the following messages: