Huge Dragon, neutral
Armor Class 18 (natural armor)
Hit Points 212 (17d12+102)
Speed walk +50, climb +30
Challenge 16
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
Legendary Resistance (3/Day). Choose to succeed failed save.
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
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.
Source: Tome of Beasts 3 · OGL/Open