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Spinosaurus

The spinosaurus is more than just one of the largest carnivorous dinosaurs—it's also one of the most unusual in appearance, with a large, sail-like fin running along its spine. Often quite colorful, this sail allows the spinosaurus to attract mates, aids in swimming, and makes it appear to be even larger than it actually is. A swimming spinosaurus can also use the sail as part of a unique means of staggering prey by slapping the water with it to make a crushing wave.

The spinosaurus is equally at home in water as it is on land, and its long, toothy maw is well-adapted to catching swimming prey. Attempts by giants to capture spinosauruses to serve as guardians typically go poorly, for these headstrong dinosaurs do not domesticate well. Their surly attitudes and striking appearances make them better suited for bloodsports, and they are popular prizes for those who run arenas specializing in battles that pit gladiators against hungry animals or beasts. Of course, an angry dinosaur forced to fight for the amusement of others won't discriminate between potential meals on the battleground and ones seated in the surrounding stands.

The spinosaurus's appearance and strength make it attractive to more than just giants and bloodsport organizers. Spellcasters who mutate and transform animals into magical guardians have long been intrigued by the spinosaurus's potential. More so than any other dinosaurs, spinosauruses have been subjected to fleshwarping procedures, crossbreeding with monsters, and other magical techniques to enhance the creatures' viability as effective guardians.

A spinosaurus can measure up to 60 feet in length and weighs 25,000 pounds.

Recall Knowledge - Animal (Nature): DC 28

SpinosaurusCreature 11

NGargantuanAnimalDinosaur
Source Bestiary 2 pg. 82 2.0
Perception +21; low-light vision, scent (imprecise) 30 feet
Skills Acrobatics +19, Athletics +23 (+25 to Swim)
Str +8, Dex +4, Con +6, Int -4, Wis +2, Cha +1
Deep Breath A spinosaurus can hold its breath for 2 hours.
AC 30; Fort +23, Ref +21, Will +19
HP 200
Speed 40 feet, swim 30 feet
Melee Single ActionSingle Action bite +23 [+18/+13] (deadly d12, reach 20 feet), Damage 2d12+14 piercing plus GrabMelee Single ActionSingle Action claw +23 [+19/+15] (agile, reach 15 feet), Damage 2d8+14 slashingRip and Tear Single ActionSingle Action Requirements The spinosaurus has a creature grabbed in its jaws; Effect The spinosaurus reaches up and slashes with its claws at the creature it has grabbed, dealing 4d8 slashing damage (DC 30 basic Reflex save) and 1d6 persistent bleed damage.Staggering Sail Two ActionsTwo Actions (incapacitation) Requirements The spinosaurus is swimming on the surface of water; Effect With a powerful lunge to the side, the spinosaurus uses its sail to slap the surface of the water, creating a crushing wave of water that deals 6d6 bludgeoning damage in a 30-foot cone. Each creature in the water in the area must attempt a DC 30 Reflex save.
Critical Success The creature is unaffected.
Success The creature takes half damage.
Failure The creature takes full damage and is slowed 1 until the end of its next turn.
Critical Failure The creature takes double damage and is stunned 3.
Swallow Whole Single ActionSingle Action (attack) Medium, 2d12+12 bludgeoning, Rupture 19

All Monsters in "Dinosaur"

NameLevel
Ankylosaurus6
Brontosaurus10
Compsognathus-1
Deinonychus2
Hadrosaurid4
Iguanodon6
Pachycephalosaurus3
Spinosaurus11
Stegosaurus7
Triceratops8
Tyrannosaurus10
Velociraptor1

Dinosaur

Source Bestiary pg. 96
Remnants from the world’s primeval era, these enormous reptilian animals still exist in large numbers in isolated and remote wildernesses or far underground within magical Darklands caverns. Lizardfolk, orcs, giants, and other monstrous humanoids sometimes use dinosaurs as mounts, guards, or hunting animals. Humans and other ancestries have also been known to collect dinosaurs, be it to display them in menageries or keep them as exotic pets or guardians. Such activities are generally pursuits of the rich or eccentric, but certain druids and other guardians of nature feel strong kinships with dinosaurs as well and take them on as companions. When dinosaurs establish themselves in regions beyond their normal habitats, it is generally the result of these captive creatures escaping into the wild.

Sidebar - Advice and Rules Dinosaur Abilities

While the real world fossil records hold a wealth of inspiration for the reconstruction of dinosaurs in an RPG, you can also look to living creatures for ideas. Giving a dinosaur a poisonous bite or an unusual attack routine like Clobbering Charge ensures that dinosaurs are as interesting in combat as they are in appearance.

Sidebar - Related Creatures Dinosaur Guardians

As with most animals, dinosaurs can be tamed or domesticated, but the difficulty of this task increases along with the dinosaur’s level. Lizardfolk and orcs are fond of using dinosaurs as beasts of burden, workhorses, mounts, or even war beasts. Certain dinosaurs, such as velociraptors and deinonychuses, make excellent trackers as well. The largest and most dangerous dinosaurs, such as the tyrannosaurus, are generally avoided, although more powerful creatures like giants have been known to be able to keep them as pets, guardians, or even brutal executioners. In certain cities, dinosaurs are popularly featured as combatants in blood sports and other gladiatorial battles.

Sidebar - Treasure and Rewards Dinosaur Resources

As animals, dinosaurs have little interest in treasure (although velociraptors and deinonychuses, like their bird cousins, enjoy keeping sparkling baubles in their nests), but the remains of adventurers strewn about their lairs often still have valuable gear. Dinosaurs can also be harvested for rare and valuable trophies such as teeth, talons, armor plates, and the like.

Sidebar - Advice and Rules Dinosaurs in Fantasy

At first glance, the inclusion of dinosaurs in a fantasy setting might seem strange, but dinosaurs are an excellent creature to use in a game that bridges the gap between familiar real-world animals and legendary monsters. If having dinosaurs mix freely with lions, manticores, and dragons still seems strange to you, consider having them dwell in remote, primeval lands, as suggested in the section below. On Golarion, dinosaurs do exist in the wilder regions of the world, particularly on the continent of Garund, though they are common enough that PCs might find some on display in a menagerie in a northern city, in use as guardian creatures, or even kept by druids as loyal animal companions.

Sidebar - Locations Hollow Worlds

Another classic place that dinosaurs are found in fiction are in “hollow worlds.” Some campaign settings might not contain entire isolated worlds within them, but many, such as Golarion, have expansive underground lands. The deepest region of the Darklands of Golarion—a realm called Orv—is an optimal place to find a hollow world. Typically infused with magic that allows for jungles to grow deep underground (and sometimes even sunlike orbs that illuminate the lands from above, simulating a day‑night cycle), areas such as Deep Tolguth of Orv make perfect places for dinosaurs to roam.

Sidebar - Advice and Rules Magical Dinosaurs

In a fantasy setting, magical effects or supernatural influences can enhance dinosaurs by giving them unexpected attacks, modes of movement, or other abilities. You can quickly create a memorable magical beast simply by giving a dinosaur the magical attack of another creature of an equal level, such as a spinosaurus gaining an acidic breath weapon akin to that of an adult black dragon.

Sidebar - Related Creatures Other Dinosaurs

A wide range of dinosaurs are presented on these pages, but any trip to the movies, exploration of dinosaur books, or a quick online search reveals a wealth of additional creatures that could fit into your game as well. Armor-headed pachycephalosaurs, spike-thumbed iguanodons, duck-billed hadrosaurs, sail-backed spinosauruses, and more await discovery by those who would seek out the mysteries of the lost worlds where the thunder lizards still rule!

Sidebar - Locations Primeval Lands

Dinosaurs fit well into certain types of settings. They’re often found in isolated lands like primeval jungle valleys or plateaus—regions known as lost worlds for their inaccessibility and lack of any encroaching civilization. In addition to dinosaurs, other megafauna can exist in these places as well, along with giant insects or aggressive creatures like bulettes, carnivorous plants, chuuls, and drakes. Such regions can make for perilous and intriguing adventure sites, especially if you combine them with ruins of ancient civilizations to explore once the party has navigated the hostile wilderness regions.