River Serpent

Huge Beast, Unaligned

STR
19 (+4)
DEX
14 (+2)
CON
12 (+1)
INT
1 (-5)
WIS
10 (+0)
CHA
3 (-4)

Actions

Bite.

Melee Weapon Attack: +6 to hit, reach 10 ft., one creature. Hit: 11 (2d6 + 4) piercing damage.

Constrict.

Melee Weapon Attack: +6 to hit, reach 5 ft., one creature. Hit: 13 (2d8 + 4) bludgeoning damage, and the target is grappled (escape DC 16). Until this grapple ends, the creature is restrained, and the serpent can't constrict another target.

Find this creature in the encounter builder

River Serpent

Source: Plane Shift: Amonkhet, p. 38 - Licenses and attribution