A 1in tall mushroom with a stubby blue cap. It is edible and has the following effect only inside the Whorlstone Tunnels:
- when eaten, a creature shrinks in size and stays this way for 1 hour
- 10min before the effect ends, the creature feels a tingling sensation
- effect can be cancelled out by eating a Bigwig or using a spell
- effect can be ignored if creature chooses to make a DC12 Constitution saving throw