CR 2
Large Beast
Armor Class 13 (natural armor)
Hit Points 60
Speed 20 ft., swim 40 ft.
Perception 13 Stealth 14
Senses–
Languages –
| STR | DEX | CON | INT | WIS | CHA |
|---|---|---|---|---|---|
| +4 | +2 | +3 | -4 | +1 | -3 |
Hardy. Any critical hit against the dinosaur becomes a normal hit.
Hold Breath. The plesiosaurus can hold its breath for 1 hour.
Actions
Multiattack. The plesiosaurus makes two Bite attacks.
Bite. Melee Weapon Attack: +6 to hit, reach 10 ft., one target. Hit: 11 (2d6 + 4) piercing damage.
Bonus Actions
Flipper Slam. While underwater, the plesiosaurus slams its flippers together, sending a shockwave of water in a 15-foot cone. Each creature in the area must succeed on a DC 13 CON save or be off-balance until the end of its next turn. While off-balance, a creature’s speed is halved, and it has disadvantage on the first attack roll it makes on each of its turns.