13 (natural armor)
68 (8d10+24)
walk 20 ft., swim 40 ft.
Perception +3, Stealth +4
2
The plesiosaurus can hold its breath for 1 hour.
Melee Weapon Attack: +6 to hit, reach 10 ft., one target. Hit: 14 (3d6 + 4) piercing damage.