Plesiosaurus — D&D 5e Monster Stats (CR 2)

Q: What are Plesiosaurus's AC and HP in D&D 5e?

Plesiosaurus has an Armor Class of 13 and 68 hit points (8d10+24).

Q: What Challenge Rating is a Plesiosaurus?

Plesiosaurus is CR 2, worth 450 XP — roughly a fair fight for a party of four characters of a similar level.

Q: What type of creature is Plesiosaurus?

Plesiosaurus is a large beast, alignment unaligned.

Armor Class13

Hit Points68 (8d10+24)

Speed20 ft., swim 40 ft.

ChallengeCR 2 (450 XP)

STR

18

(+4)

DEX

15

(+2)

CON

16

(+3)

INT

2

(-4)

WIS

12

(+1)

CHA

5

(-3)

SkillsPerception +3, Stealth +4

Sensespassive Perception 13

Special Abilities

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.

Running Plesiosaurus in an encounter

As a CR 2 threat worth 450 XP, Plesiosaurus is a fair challenge for a party of four at a comparable level. With no legendary actions it works best in numbers or paired with support, where its CR 2 rating won't be burned down in a single round. Use the XP value with the encounter builder to slot it into a balanced fight.

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