large Beast
Armor Class 12
Hit Points 15
Speed swim +30, walk +30
Challenge 1/4
Saving Throws cha -4, con +1, dex +2, int -5, str +2, wis +0
Senses keensense 10 ft.
Languages -
Bite. _Melee Weapon Attack:_ +4 to hit, reach 5 ft., one creature. _Hit:_ 5 (1d6+2) piercing damage.
Constrict. _Melee Weapon Attack:_ +4 to hit, reach 5 ft., one creature. _Hit:_ 6 (1d8+2) bludgeoning damage, and the target is grappled (escape DC 12), if it is a Large or smaller creature. Until this grapple ends, the creature is restrained, and the snake can't Constrict another target.
Crush. One creature grappled by the snake must succeed on a DC 12 STR or take 4 (1d8) bludgeoning damage and begin suffocating. The creature continues suffocating until the grapple ends.
Source: Black Flag SRD · OGL/Open