Armor Class
19
Couatl
Medium Celestial · Lawful Good
Hit Points
97 (13d8 + 39)
Speed
Walk 30 ft., Fly 90 ft.
CR
4
Traits
Magic Weapons
The couatl's weapon attacks are magical.
Shielded Mind
The couatl is immune to scrying and to any effect that would sense its emotions, read its thoughts, or detect its location.
Actions
Bite
Melee Weapon Attack +8 to hit, reach 5 ft., one creature. 8 () Piercing damage, and the target must succeed on a DC 13 Constitution saving throw or be for 24 hours. Until this poison ends, the target is . Another creature can use an action to shake the target awake.
PiercingConstrict
Melee Weapon Attack +6 to hit, reach 10 ft., one Medium or smaller creature. 10 () Bludgeoning damage, and the target is (escape DC 15). Until this grapple ends, the target is , and the couatl can't constrict another target.
BludgeoningChange Shape
The couatl magically polymorphs into a humanoid or beast that has a challenge rating equal to or less than its own, or back into its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the couatl's choice).
In a new form, the couatl retains its game statistics and ability to speak, but its AC, movement modes, Strength, Dexterity, and other actions are replaced by those of the new form, and it gains any statistics and capabilities (except class features, legendary actions, and lair actions) that the new form has but that it lacks. If the new form has a bite attack, the couatl can use its bite in that form.
In a new form, the couatl retains its game statistics and ability to speak, but its AC, movement modes, Strength, Dexterity, and other actions are replaced by those of the new form, and it gains any statistics and capabilities (except class features, legendary actions, and lair actions) that the new form has but that it lacks. If the new form has a bite attack, the couatl can use its bite in that form.