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```statblock
monster: "Crater Wurm"
```
# Info
Found only in [[The Crater#The Basin|The Basin of the Crater]], these massive burrowing monsters have petal-like mouths lined with razor-sharp teeth. Their thick hides of midnight purple are covered in spines and octarine slime. Those who have survived an encounter with one have spoken of the earth shaking moments before the beast emerges from below, devouring helpless victims caught in its path.
These mutated purple worms replace their Multiattack and Tail Stinger traits with the following abilities:
**Breach** The crater wurm utilises its full movement. While doing so, it can enter large or smaller creatures’ spaces. Whenever the wurm enters a creature’s space, the creature must succeed on a DC 19 Strength saving throw. On a successful save, the creature can choose to be pushed to the side of the wurm’s space. A creature that chooses not to be pushed suffers the consequences of a failed saving throw.
On a failed save, the creature takes 35 (10d6) bludgeoning damage, and is pushed 10 feet and knocked [[prone]]. After finishing its move, the wurm can make one bite attack against a [[prone]] target as a bonus action.
**Contaminated Gullet** A creature swallowed by a crater wurm gains one level of [[contamination]] each time it takes acid damage while inside the wurm.
# Mechanical Features
**Fully Contaminated** This creature is immune to [[contamination]], and has advantage on saving throws against contaminated spells.
**Haze Adaptation** This creature may benefit from a long rest finished within [[the Haze]]. It can see twice as far through [[the Haze]] mists and [[The Haze|Deep Haze]] fog.
**Haze Dependence** This creature gains one level of [[Exhaustion]] for every twenty four hours it spends outside [[the Haze]]. These [[Exhaustion]] levels cannot be removed while the creature is outside [[the Haze]].
**Delerium Healing** As an action, a monster can touch a [[delerium]] shard to regain 10 (3d6) hit points. Once a monster has used a [[delerium]] shard in this way, the shard can’t be used in this manner again for twenty four hours.
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