Dragon, Prismatic Ancient
- Size
- Gargantuan
- Type
- Dragon
- Challenge Rating
- 21
- Source
- Tome of Beasts 3
- Alignment
- Neutral
- Armor Class
- 20
- Speeds
- 50, climb 40
- Walking Speed
- 50
- Climbing Speed
- 40
- Strength Score
- 25
- Dexterity Score
- 10
- Constitution Score
- 27
- Intelligence Score
- 20
- Wisdom Score
- 17
- Charisma Score
- 19
- Saving Throws
- Dexterity, Constitution, Wisdom, Charisma
- Skill Proficiencies
- Perception
- Languages Ref
- Common, Draconic
- Hit Points
- 407
- Condition Immunities
- Blinded
- Resistances
- Immune to Radiant Damage
- Languages
- Aethyrian Common, Draconic
Gargantuan dragon, neutral
Armor Class 20 (natural armor)
Hit Points 407 (22d20+176)
Speed 50 ft., climb 40 ft.
- STR
- 25 (+7)
- DEX
- 10 (+0)
- CON
- 27 (+8)
- INT
- 20 (+5)
- WIS
- 17 (+3)
- CHA
- 19 (+4)
Saving Throws Dex +7, Con +1, Wis +1, Cha +1
Skills Perception +3
Damage Immunities radiant
Condition Immunities blinded
Senses blindsight 60', darkvision 120', passive Perception 27
Languages Common, Draconic
Challenge 21 (33,000 XP)
Legendary Resistance (3/Day). Choose to succeed failed save.
Actions
Multiattack. Uses Frightful Presence then one Bite and two Claws.
Bite. Melee Weapon Attack: +14 to hit, 15 ft., one target, 18 (2d10+7) piercing damage.
Claw. Melee Weapon Attack: +14 to hit, 10 ft., one target, 14 (2d6+7) slashing damage.
Tail. Melee Weapon Attack: +14 to hit, 20 ft., one target, 16 (2d8+7) bludgeoning damage.
Frightful Presence. All it picks within 120' and aware of it frightened 1 min (DC 19 Wis negates) Can re-save at end of each of its turns. Save/effect ends: immune 24 hrs.
Breath Weapon (Recharge 5-6). Uses one of the following:Light Beam. Emits beam of white light in a 120' line that is 10 ft. wide. Each creature in line: 90 (20d8) radiant (DC 23 Dex half).Rainbow Blast. Emits multicolored light in 90' cone. Each creature in area: 72 (16d8) damage (DC 23 Dex half). Dragon splits damage among acid cold fire lightning or poison choosing a number of d8s for each type totaling 16d8. Must choose at least two types.
Spellcasting. Int (DC 20) no material components: At will: charm person dancing lights prismatic spray1/day: prismatic wall
Legendary Actions
Detect. Makes a Wis (Perception) check.
Tail Attack. Makes a tail attack.
Cast a Spell (2). Uses Spellcasting.
Shimmering Wings (2). Each creature within 20': DC 19 Wis save or take 16 (3d10) radiant and blinded until start of its next turn.
Stat block from Tome of Beasts 3 (Kobold Press), Open Game Content used under the Open Game License 1.0a. Tome of Beasts 3. ©2022 Open Design LLC. All rights reserved. It is not Geminaea material. See Legal.