The Echoing Riddlegate
A heavy wooden door painted with glowing, crude runes. A riddle is carved into the center in Common, demanding the reader shout the answer to prove their worth. In reality, the door is only held shut by a flimsy wooden bar on the far side, and the 'runes' are just bioluminescent fungus arranged to look like magic.
The Echoing Riddlegate
Defenses
Detection
“The door is made of mismatched planks and reinforced with rusted iron bands. The center features glowing blue symbols that pulse faintly. Above the symbols, the text reads: 'I AM LOUD WHEN I AM BORN, LOUDER WHEN I AM ANGRY, BUT I HAVE NO MOUTH. WHAT AM I?' (The answer is 'THUNDER').”
Standard Engagement
The trap 'activates' if any creature shouts at the door or if the door is forced open with a loud noise.
None. The hazard is a single-event alarm.
The goblins must manually place the wooden bar back across the door.
When a creature shouts the answer, the goblins in the next room (usually 2d4 Goblins) are no longer surprised and immediately prepare an ambush. They gain a Surprise Round against anyone entering through the door if the party does not realize they have been heard.
Because the door is held by a simple piece of wood rather than a lock, it cannot be picked traditionally. Only lifting the bar or breaking the wood works.
If a player whispers the correct answer, nothing happens. The door remains barred. This often frustrates players into shouting.
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