Armor Class
17
Giant River Serpent
Huge Monstrosity · Neutral Evil
Hit Points
168 (16d12 + 64)
Speed
Walk 50 ft., Climb 40 ft.
CR
11
Actions
Multiattack
The serpent makes two attacks: one with its bite and one to constrict.
Bite
Melee Weapon Attack +10 to hit, reach 10 ft., one target. 22 () Piercing damage.
PiercingConstrict
Melee Weapon Attack +10 to hit, reach 5 ft., one Large or smaller creature. 17 () Bludgeoning damage plus 17 () Slashing damage. The target is (escape DC 16) if the serpent isn't already constricting a creature, and the target is until this grapple ends.
Bludgeoning
SlashingSwallow
The serpent makes one bite attack against a Medium or smaller target it is grappling. If the attack hits, the target is also swallowed, and the grapple ends. While swallowed, the target is and , it has Cover against attacks and other effects outside the serpent, and it takes 21 () Acid damage at the start of each of the serpent's turns. A serpent can have only one creature swallowed at a time.
If the serpent takes 30 damage or more on a single turn from the swallowed creature, the serpent must succeed on a DC 14 Constitution saving throw at the end of that turn or regurgitate the creature, which falls in a space within 10 feet of the serpent. If the serpent dies, a swallowed creature is no longer by it and can escape from the corpse by using 15 feet of movement, exiting .
AcidIf the serpent takes 30 damage or more on a single turn from the swallowed creature, the serpent must succeed on a DC 14 Constitution saving throw at the end of that turn or regurgitate the creature, which falls in a space within 10 feet of the serpent. If the serpent dies, a swallowed creature is no longer by it and can escape from the corpse by using 15 feet of movement, exiting .