Dragon, Prismatic Adult — fantasy monster illustration. Dragon, Prismatic Adult is a huge dragon (Challenge Rating 16).

Image: FTTHelper

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Dragon, Prismatic Adult

Huge Dragon, neutral

AC
18
HP
212
Speed
50
CR
16

Armor Class 18 (natural armor)

Hit Points 212 (17d12+102)

Speed 50 ft., climb 30 ft.


STR
22 (+6)
DEX
10 (+0)
CON
23 (+6)
INT
18 (+4)
WIS
15 (+2)
CHA
17 (+3)

Saving Throws Cha +8, Con +1, Dex +5, Wis +7

Skills Perception +2

Damage Immunities radiant

Condition Immunities blinded

Senses blindsight 60', darkvision 120', passive Perception 22

Languages Common, Draconic

Challenge 16


Traits

Legendary Resistance (3/Day). Choose to succeed failed save.

Actions

Multiattack. Uses its Frightful Presence then one Bite and two Claws.

Bite. Melee Weapon Attack: +11 to hit, 10 ft., one target, 17 (2d10+6) piercing damage.

Claw. Melee Weapon Attack: +11 to hit, 5 ft., one target, 13 (2d6+6) slashing damage.

Tail. Melee Weapon Attack: +11 to hit, 15 ft., one target, 15 (2d8+6) bludgeoning damage.

Frightful Presence. All it picks within 120' and aware of it frightened 1 min (DC 16 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 90' line that is 5 ft. wide. Each creature in line: 45 (10d8) radiant (DC 19 Dex half).Rainbow Blast. Emits multicolored light in 60' cone. Each creature in area: 36 (8d8) damage (DC 19 Dex half). Dragon splits damage among acid cold fire lightning or poison choosing a number of d8s for each type totaling 8d8. Must choose at least two types.

Spellcasting. Int (DC 17) no material components: At will: charm person color spray dancing lights3/day: prismatic spray1/day: prismatic wall

Legendary Actions

Detect. Makes a Wis (Perception) check.

Tail Attack. Makes a tail attack.

Cast a Spell (2). The prismatic dragon uses Spellcasting.

Shimmering Wings (2). Each creature within 20': DC 16 Wis save or take 11 (2d10) radiant and blinded until start of its next turn.

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Dragon, Prismatic Adult — fantasy monster illustrationPrimary
FTTHelper · auto-generated · monster · monster

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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