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Cosmic Symphony

Size
Large
Type
Celestial
Challenge Rating
15
Source
Tome of Beasts 3
Alignment
Unaligned
Armor Class
18
Speeds
0, fly 60
Walking Speed
0
Flying Speed
60
Strength Score
19
Dexterity Score
26
Constitution Score
25
Intelligence Score
2
Wisdom Score
21
Charisma Score
18
Saving Throws
Wisdom, Charisma
Skill Proficiencies
Perception
Languages Ref
understands all languages but can't speak
Hit Points
200
Condition Immunities
Deafened, Exhaustion 1, Grappled, Paralyzed, Petrified, Poisoned, Prone, Restrained, Stunned
Resistances
Immune to Radiant Damage, Immune to Thunder Damage

Large celestial, unaligned


Armor Class 18 (natural armor)

Hit Points 200 (16d10+112)

Speed 0 ft., fly 60 ft.


STR
19 (+4)
DEX
26 (+8)
CON
25 (+7)
INT
2 (−4)
WIS
21 (+5)
CHA
18 (+4)

Saving Throws Wis +1, Cha +9

Skills Perception +5

Damage Resistances nonmagic B/P/S attacks

Damage Immunities radiant, thunder

Condition Immunities deafened, exhaustion, grappled, paralyzed, petrified, poisoned, prone, restrained, stunned

Senses truesight 120', passive Perception 20

Languages understands all languages but can't speak

Challenge 15 (13,000 XP)

Invisible. Is invisible.

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

Magic Resistance. Advantage: spell/magic effect saves.

Actions

Multiattack. Can use Universal Music then one Discordant Wave and one Slam or two Discordant Waves.

Discordant Wave. Melee or Ranged Spell Attack: +10 to hit 5 ft. or range 60/120' one target 27 (5d8+5) thunder. Target and each creature within 10 ft. of it: DC 18 Con save or become deafened until end of its next turn.

Slam. Melee Weapon Attack: +13 to hit, 5 ft., one target, 24 (3d10+8) bludgeoning damage + 22 (5d8) thunder.

Universal Music. Each creature of symphony's choice within 120' of it: DC 18 Con save or be incapacitated 1 min. Creature that fails save by 5+ is stunned 1 min instead. Stunned or incapacitated creature can re-save at end of each of its turns success ends effect on itself. If creature's save is successful or effect ends creature is immune to symphony's Universal Music for next 24 hrs.

Celestial Crescendo (Recharge 5-6). Sound waves explode from it. Each creature within 30' of it: 45 (10d8) thunder and is deafened for 1 min (DC 18 Con half damage not deafened). A creature can re-save at end of each of its turns success ends effect on itself.

Legendary Actions

Fly. Flies up to half its flying speed with o provoking opportunity attacks.

Major Chord (2). The symphony regains 18 (4d8) hp.

Minor Chord (2). Each creature within 10 ft. of the symphony must make DC 18 Con save or take 9 (2d8) thunder.

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.