Sea Serpent

Sea Serpent is a gargantuan monstrosity (Challenge Rating 16).

Sea Serpent — fantasy monster illustration. Sea Serpent is a gargantuan monstrosity (Challenge Rating 16).
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AC: 17

HP: 247

Speed: swim 50 ft., walk 10 ft.

STR: 28

DEX: 10

CON: 22

INT: 4

WIS: 14

CHA: 8

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Further reading

Jetpack7 Game Master Series
The Game Master's Book of Random Encounters
Jeff Ashworth · 2020
The Game Master's Book of Traps, Puzzles and Dungeons
Jeff Ashworth · 2022
The Game Master's Book of Legendary Dragons
Aaron Hübrich · 2022
Last updated 7/27/2026·Tags: monster, monstrosity, gargantuan