Pachycephalosaurus (pachy-ceph-alo-saurus)

Basic Information

Anatomy

They have a fairly short, thick neck, short arms, a bulky body, long legs, and a heavy tail that is held rigid by ossified tendons near the base.

Their heads are short with a high and domelike mass of thick bone (up to 10 inches) and abundant bony knobs protruding from the front and sides of their heads.

They possess large, rounded eye sockets that face forward, giving the animal binocular vision and they have a small muzzle that ends in a rounded beak holding teeth that are tiny, sharp, triangular, and blade-like.

Dietary Needs and Habits

Pachycephalosaurus are omnivores with their primary diet consisting of soft plants, fruits, seeds, as well as small mammals, rodents, and other small dinosaurs.

Behaviour

These dinosaurs are thought to be social, herding dinosaurs, living mostly in small groups with running being their primary way of self-defense.

Additional Information

Geographic Origin and Distribution

They live almost exclusively on Ancient Island and tend to move between the forest and the rain forest floor.

Sources:
WikipediA: https://en.wikipedia.org/wiki/Pachycephalosaurus#cite_note-RMS06-9
OGN: https://www.5esrd.com/database/creature/pachycephalosaurus/
Extinct Animals: https://www.extinctanimals.org/pachycephalosaurus.htm

PACHYCEPHALOSAURUS.PNG by Cooledcross

Lifespan

30 years

Conservation Status

All dinosaurs live exclusively on Ancient Island. where there are many security measures, including a magical barrier in place to keep the creatures, bones, and eggs on the island.

Average Height

6 ft.

Average Weight

920 - 990 LBS.

Average Length

Between 14 and 16 ft.

Body Tint, Colouring and Marking

Pachycephalosaurus has a brown skin color with blue spots and stripes located along the back and under the eye.

Geographic Distribution

• Ancient Island

OGN (https://www.5esrd.com/database/creature/pachycephalosaurus/)

Pachycephalosaurus CR: 3 (700 XP)

Large beast / dinosaur, unaligned

Armor Class: 15 (natural armor)

Hit Points: 68 8d10+24 Max 104

Speed: 40 ft

STR

19 +4

DEX

15 +2

CON

17 +3

INT

2 -4

WIS

10 +0

CHA

7 -2

Saving Throws: Strength +6

Skills: Athletics +6

Senses: Passive Perception 10

Challenge Rating: 3 (700 XP)

PACHYCEPHALOSAURUS.PNG by Cooledcross

Charge. If the pachycephalosaurus moves at least 20 feet straight towards a target and then hits it with a ram attack on the same turn, the target takes an extra 11 2d10 bludgeoning damage. If the target is a creature, it must succeed on a DC 13 Strength saving throw or be knocked prone.

Actions

Ram. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 11 (2d6+4) bludgeoning damage.

This bipedal dinosaur stands as tall as a hut, and has a smooth domed head, and thick powerful legs.

Suggested Environments

They are found on Ancient Island, which is a mix of tropical rainforest, forest and mountains.