Lesser Star Spawn Emissary
Small or Medium Aberration, Chaotic EvilAC 19
HP 241 (21d8 + 147)
Speed 40 ft., fly 40 ft. (hover), (hover)
STR
21 (+5)
Save +5
DEX
18 (+4)
Save +4
CON
24 (+7)
Save +7
INT
25 (+7)
Save +13
WIS
20 (+5)
Save +11
CHA
23 (+6)
Save +12
Saving Throws INT +13, WIS +11, CHA +12
Skills Arcana +19, Deception +18, Perception +11
Resistances Acid; Force; Necrotic; Psychic
Condition Immunities Charmed, Exhaustion, Frightened
Senses Truesight 120 ft., Passive Perception 21
Languages all; telepathy 120 ft.
CR 19
Traits
Legendary Resistance (3/Day, or 4/Day in lair). If the emissary fails a saving throw, it can choose to succeed instead.
Actions
Multiattack. The emissary makes three attacks, using Lashing Maw or Invert Flesh in any combination.
Lashing Maw. Melee Attack Roll: +11, reach 15 ft. Hit: 16 (2d10 + 5) Piercing damage plus 13 (3d8) Acid damage.
Invert Flesh. con 21, one creature the emissary can see within 120 feet. Failure: 29 (4d10 + 7) Force damage.
Bonus Actions
Shape-Shift. The emissary shape-shifts into a Small or Medium creature, or it returns to its true form. Its game statistics, other than its size, are the same in each form. Any equipment it is wearing or carrying isn't transformed.
Legendary Actions
Teleporting Lash. The emissary teleports up to 30 feet to an unoccupied space it can see and makes one Lashing Maw attack.
Twist. The emissary uses Invert Flesh.
Warp Body. con 21, one creature the emissary can see within 30 feet. Failure: 27 (6d8) Force damage, and the target has the Stunned condition until the start of its next turn. Failure or Success: The emissary can't take this action again until the start of its next turn.