Geyser in Dungeons & Dragons 5e
All Beyond the Yonder Seas and Streams
Geyser
3-level Transmutation
You cause as a blast of steaming hot water to erupt in a 10-foot radius, 60-foot high cylinder centered on a point on the ground or on the surface of water that you can see within range. Each creature in the area must make a Strength saving throw. On a failed save, a target takes 3d6 bludgeoning damage and 3d6 fire damage damage and is knocked prone if it is Medium or larger. On a successful save, it takes half damage and is not knocked prone. A Tiny or Small creature that fails the save is not knocked prone, but is instead flung 30 feet into the air, and lands 1d6 × 5 feet away in a random direction.
Water created by this spell then rapidly boils away. If cast on a point on the ground, any loose earth or stone in the area becomes difficult terrain until cleared, with each 5-foot-diameter portion requiring at least 1 minute to clear by hand. If cast on a point on the surface of water, the spell deals an additional 1d6 bludgeoning damage.
If you touch a body of water when casting this spell, you can choose a point within 180 feet of you that is in the same body of water. The spell is cast as if you were at the chosen point, but you must use your own senses.
When you cast this spell using a spell slot of 4th level or higher, the bludgeoning damage or the fire damage (your choice) increases by 1d6 for each slot level above 3rd.
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