Large beast, unaligned

Armor Class 13 (natural armor)

Hit Points 68 (8d10 + 24)

Speed 20 ft., swim 40 ft.

STR DEX CON INT WIS CHA
18 (+4) 15 (+2) 16 (+3) 2 (−4) 12 (+1) 5 (−3)

Skills Perception +3, Stealth +4

Senses passive Perception 13

Languages —

Challenge 2 (450 XP)

Hold Breath. The plesiosaurus can hold its breath for 1 hour.

Actions

Bite. Melee Weapon Attack: +6 to hit, reach 10 ft., one target. Hit: 14 (3d6 + 4) piercing damage.