Hall of Infinite Doors

You lift the urn up off the the pedestal and throw it against the floor with all the force you can muster. It shatters and broken shards fly all about and its contents pour onto the floor. The contents first look like grey powerder, perhaps a form of soil. Upon closer inspection you realize that they are ashes, and most likely the ashes of a cremated corpse. You are a bit shaken but you still manage to notice something green sticking out of the ashes. You pick it up and find that it is a green key. Please note that you now have obtained a GREEN KEY.