Heart of Mimic Powder
This green powder clumps when you squeeze it, behaving like a solid mass one moment and like a powder the next.
Consumable: Assassin poison
Power (Consumable, Implement, Poison, Polymorph) (Standard Action)
Effect: You make the following attack.
Target: One creature
Attack: Dexterity vs. Fortitude
Hit: 4d10 + Dexterity modifier poison damage.
Miss: Half damage.
Effect: The target assumes an oozelike form and is immobilized (save ends).
First Failed Saving Throw: The target is restrained (save ends) instead of immobilized.
Second Failed Saving Throw: The target is stunned (save ends) instead of restrained. It also falls prone and drops any items it is holding.
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.