Dragon, Prismatic Ancient

Dragon, Prismatic Ancient is a gargantuan dragon (Challenge Rating 21).

Dragon, Prismatic Ancient — fantasy monster illustration. Dragon, Prismatic Ancient is a gargantuan dragon (Challenge Rating 21).
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AC: 20

HP: 407

Speed: walk 50 ft., climb 40 ft.

STR: 25

DEX: 10

CON: 27

INT: 20

WIS: 17

CHA: 19

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Further reading

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