Dragon, Prismatic Ancient
Dragon, Prismatic Ancient is a gargantuan dragon (Challenge Rating 21).
**AC:** 20
**HP:** 407
**Speed:** [object Object]
**STR:** 25
**DEX:** 10
**CON:** 27
**INT:** 20
**WIS:** 17
**CHA:** 19
Mechanics
- ac:
- 20
- cr:
- 21
- hp:
- 407
- cha:
- 19
- con:
- 27
- dex:
- 10
- int:
- 20
- str:
- 25
- wis:
- 17
- size:
- Gargantuan
- type:
- Dragon
- speed:
- [object Object]
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Sources
- Tome of Beasts 3·OGL-1.0a·© Tome of Beasts 3. OGL-1.0a. Via Open5e (open5e.com).
Last updated 6/19/2026·Tags: monster, dragon, gargantuan