Lava Pool

Here is another installment of exTRAPaganza, our Thursday over-the-top trap series. 

A catwalk spans a large pool of lava.

Several large tubes lead into the walls at spots around the pool.

In the middle of the catwalk, a door opens into a shaft that leads upwards.

A hard Intelligence (Investigation) check reveals that the catwalk is old, and if contracted or expanded rapidly, could fail.

When the door of the shaft is opened water pours from the tubes onto the lava, creating a giant steam cloud.

All targets on the catwalk take heavy fire damage from the steam, with a hard Dexterity saving throw halving the damage.

One round later, the catwalk collapses from the sudden expansion from the heat. All targets on the catwalk must make a hard Dexterity saving throw of fall into the lava, where they take lethal fire damage. Those that successfully save are either inside the shaft (If within 15′) or are hanging on the catwalk, where they must make an average Strength (Athletics) check to move and climb.

Those hanging from the catwalk cannot reach the shaft normally, only one of the side exits.


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