A legendary and elusive potion with no current means of production, the effects it has on Robbie(y) is horrifying and un-describable. The effects on one not worthy is currently unknown but assumed to be lethal and excruciating.
"Robbie consumed the Robbie potion and mutilated hundreds"
The most horrifying thing know to man, it has the power to destroy space and time
You'll know when you took the robbie potion, the world will end
A satanic ritual that turns the user into a demon from the depths of hell itself
Robbie drank the Robbie potion and now he is a demon