Dinosaur, Huayangosaurus
“Unleash the Jurassic Power: Meet the Mighty Huayangosaurus, the Ultimate Prehistoric Guardian!”

Huayangosaurus is a medium-sized stegosaur dinosaur that lived during the Jurassic period. It had a robust and sturdy build, with a length of approximately 20 to 23 feet (6 to 7 meters) and a weight of around 2 to 3 tons. Its body was supported by strong, thick legs that allowed it to move with relative ease through its forested habitat.
One of the most striking features of Huayangosaurus was its impressive armor. The dinosaur’s back and sides were adorned with large, bony plates known as osteoderms. These plates acted as natural protection against potential predators and provided extra rigidity to its body structure. Rows of sharp, pointed spikes extended from the base of its neck all the way to the tip of its tail, further enhancing its formidable defense.
Its head was relatively small in comparison to the rest of its body and featured a beak-like mouth, perfectly adapted for cropping and consuming plants. The herbivorous dinosaur had a long, muscular neck that enabled it to reach and feed on vegetation high above the ground.
Huayangosaurus had a distinctive and graceful posture, with its back slightly arched and its tail held aloft. Its tail was long and heavily built, providing balance and stability as it moved.
The dinosaur’s body was covered in scaly skin, and its coloration likely blended with the environment, offering camouflage from predators and potential prey. Its appearance, with its imposing armor and unique spikes, made it an awe-inspiring sight in the ancient landscape, and its imposing presence must have commanded respect in its Jurassic world.
Huayangosaurus
Large beast, unaligned
Armor Class 15 (natural armor)
Hit Points 93 (11d10 + 33)
Speed 40 ft.
STR | DEX | CON | INT | WIS | CHA |
---|---|---|---|---|---|
20 (+5) | 14 (+2) | 20 (+5) | 2 (-4) | 15 (+2) | 7 (-2) |
Skills Perception +5
Senses passive Perception 15
Languages –
Challenge 5 (1,800 XP)
Trample. If the Huayangosaurus moves at least 20 feet straight toward a creature and then hits it with a claw attack on the same turn, that target must succeed on a DC 16 Strength saving throw or be knocked prone. If the target is prone, the Huayangosaurus can make one stomp attack against it as a bonus action.
Stomp. Melee Weapon Attack: +8 to hit, reach 5 ft., one prone creature. Hit: 21 (3d8 + 5) bludgeoning damage.
Plated Defense. Huayangosaurus gains a +2 bonus to its Armor Class when it takes the Dodge action.
Multiattack. The Huayangosaurus makes two claw attacks.
Actions
Claw. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 13 (2d6 + 5) slashing damage.
Tail Spikes. Ranged Weapon Attack: +6 to hit, range 30/120 ft., one target. Hit: 16 (3d8 + 2) piercing damage.
Description
Huayangosaurus is a fearsome dinosaur, known for its impressive armor of large bony plates and sharp spikes. As a large-sized creature, its sturdy build and powerful legs allow it to move swiftly through its forested habitat. Its herbivorous nature means it relies on its beak-like mouth to feed on plants and vegetation high above the ground. This dinosaur’s imposing presence and unique appearance make it a formidable sight in the ancient world. Beware its trampling charge and devastating tail spikes, for crossing paths with this Jurassic creature can be perilous.
These massive creatures are approximately 12 feet long and 4 feet tall, weighing 1000 pounds.
Originally Posted by Insane Pixie of the Wizards Community forums.
Huayangosaurus | |
Large animal | |
Hit Dice | 6d8+27 (54 hp) |
Initiative | +2 |
Speed | 20 ft. (4 squares) |
Armor Class | 16 (-1 size, +2 Dexterity, +5 natural), touch 11, flat-footed 14 |
Base Attack/Grapple | +4/+12 |
Attack | Slam +7 melee (1d10+6 plus 1d10 spikes) |
Full Attack | Slam +7 melee (1d10+6 plus 1d10 spikes) and tail slap +2 melee (1d8+2 plus 1d8 spikes) |
Space/Reach | 10 ft./5 ft. |
Special Attacks | – |
Special Qualities | Low-Light Vision, body spikes |
Saves | Fort +8, Ref +4, Will +2 |
Abilities | Strength 18, Dexterity 14, Constitution 16, Intelligence 1, Wisdom 11, Charisma 10 |
Skills | Listen +8, Spot +9 |
Feats | Toughness (3) |
Climate/Terrain | Temperate forests |
Organization | Solitary |
Challenge Rating | 4 |
Treasure | None |
Alignment | Always neutral |
Advancement | 6-10 HD (Large) |
Level Adjustment | – |
Combat
Body Spikes
A huayangosaurus’ body is covered in sharp armor spikes. When grappling, they deal damage as Large armor spikes.
Skills
A huayangosaurus has a +4 racial bonus on Listen and Spot checks.