Gibbering GrindLevel 15 Uncommon

This fine gray powder turns a creature into a font of gibbering madness.

Consumable: Assassin poison

Power (Consumable, Implement, Poison, Psychic) (Standard Action)

Effect: You make the following attack.

Ranged: 5

Target: One creature

Attack: Dexterity vs. Reflex

Hit: 3d8 + Dexterity modifier poison damage.

Miss: Half damage.

Effect: The target is dazed (save ends).

Each Failed Saving Throw: Nondeafened creatures adjacent to the target take 10 psychic damage.

Special: If the DM allows it, a creature reduced to 0 hit points by this poison is not killed, but is instead driven permanently insane.

Power (Consumable) (Standard Action)

You place the poison in a closed container, such as a chest or a jewelry box. Make the attack above against the first creature to open the container within the next hour.

Published in Dragon Magazine 423.