Some people are terrible liars. No matter the size of the falsehood, their manner and tone will infallibly expose them as the fraud they are. Malthis of Woodsman’s Dell was one of these people - until his brilliant mind concieved a solution…
Deep within the bowels of the perilous labyrinth, the fearless heroes come upon a grand, ornate chest. Eager for more plunder to line their pockets with, they heave up the lid - to find nothing. A red herring? Maybe not.
A massive iron key - 2’ length, 20lbs forged from the bones and horns of demon-lords. When used with a massive portal - carefully built according to documents found in powerful books of evil knowledge, it will open into the realm of demons and allow them to flood into the world. The applications of this item for villains are obvious. Mortals touching this item directly will suffer very dire consequences.