Dinosaurs

Plesiosaurus

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.

Triceratops

Huge beast, unaligned

Armor Class 13 (natural armor)
Hit Points 95 (10d12 + 30)
Speed 50 ft.

STR DEX CON INT WIS CHA
22(+6) 9(-1) 17(+3) 2(-4) 11(+0) 5(-3)

Senses passive Perception 10
Languages
Challenge 5 (1,800 XP)

Trampling Charge. If the triceratops moves at least 20 feet straight toward a creature and then hits it with a gore attack on the same turn, that target must succeed on a DC 13 Strength saving throw or be knocked prone. If the target is prone, the triceratops can make one stomp attack against it as a bonus action.

Actions

Gore. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 24 (4d8 + 6) piercing damage.

Stomp. Melee Weapon Attack: +9 to hit, reach 5 ft., one prone creature. Hit: 22 (3d10 + 6) bludgeoning damage.

Tyrannosaurus Rex

Huge beast, unaligned

Armor Class 13 (natural armor)
Hit Points 136 (13d12 + 52)
Speed 50 ft.

STR DEX CON INT WIS CHA
25(+7) 10(+0) 19(+4) 2(-4) 12(+1) 9(-1)

Skills Perception +4
Senses passive Perception 14
Languages
Challenge 8 (3,900 XP)

Actions

Multiattack. The tyrannosaurus makes two attacks: one with its bite and one with its tail. It can’t make both attacks against the same target.

Bite. Melee Weapon Attack: +10 to hit, reach 10 ft., one target. Hit: 33 (4d12 + 7) piercing damage. If the target is a Medium or smaller creature, it is grappled (escape DC 17). Until this grapple ends, the target is restrained, and the tyrannosaurus can’t bite another target.

Tail. Melee Weapon Attack: +10 to hit, reach 10 ft., one target. Hit: 20 (3d8 + 7) bludgeoning damage.