Couatl
Medium Celestial, Lawful GoodAC 19
HP 60 (8d8 + 24)
Speed 30 ft., fly 90 ft.
STR
16 (+3)
Save +3
DEX
20 (+5)
Save +5
CON
17 (+3)
Save +5
INT
18 (+4)
Save +4
WIS
20 (+5)
Save +7
CHA
18 (+4)
Save +4
Saving Throws CON +5, WIS +7
Resistances Bludgeoning; Piercing; Slashing
Immunities Psychic; Radiant
Senses Truesight 120 ft., Passive Perception 15
Languages all; telepathy 120 ft.
CR 4
Traits
Shielded Mind. The couatl's thoughts can't be read by any means, and other creatures can communicate with it telepathically only if it allows them.
Actions
Bite. Melee Attack Roll: +7, reach 5 ft. Hit: 11 (1d12 + 5) Piercing damage, and the target has the Poisoned condition until the end of the couatl's next turn.
Constrict. str 15, one Medium or smaller creature the couatl can see within 5 feet. Failure: 8 (1d6 + 5) Bludgeoning damage. The target has the Grappled condition (escape 13), and it has the Restrained condition until the grapple ends.