15 (natural armor)
45 (7d8 + 14)
40 ft.
Perception +3, Stealth +5
lightning
darkvision 60 ft.
understands Draconic but can't speak
2
The snake can hold its breath for 1 hour.
Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 7 (1d8+3) piercing damage + 3 (1d4) lightning damage, and the target must make a DC 12 Constitution saving throw. On a failure, the target can't take reactions until the start of its next turn. If the saving throw fails by 5 or more, the target is stunned until the end of the snake's next turn or until it takes damage.