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  • Writer's picturetroodon135

Prehistoric Bestiary Part V: Pterosaurs

A pretty small update this time. I mainly just wanted a smaller pterosaur and an Azhdarchid that didn't suck as much as the official Quetzalcoatlus.


Close relatives of the dinosaurs, pterosaurs are flying reptiles which can reach incredible sizes. Examples include the fish-eating pteranodon, the immense quetzalcoatlus, the raptorial harpactognathus, and the monstrous hatzegopteryx.


These mid-sized pterosaurs are the falcons of the prehistoric skies, snatching birds and smaller pterosaurs out of the air with their toothy jaws. Harpactognathus can be tamed as hunting companions, though their quadrupedal stance requires specially designed gloves in place of the traditional falconer’s gear.


Small beast, unaligned

Armor Class 13

Hit Points 7 (2d6)

Speed 20 ft., fly 60 ft.


8 (-1) 16 (+3) 10 (+0) 2 (-4) 11 (+0) 6 (-2)

Skills Perception +2

Senses passive Perception 12


Challenge 1/8

Keen Sight. The harpactognathus has advantage on all Perception checks that rely on sight.



Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 5 (1d4+3) piercing damage.


Hatzegopteryx are the most ferocious of all pterosaurs. While others feed on small animals or scavenge off of predatory dinosaurs, the hatzegopteryx is an apex predator that rules at the top of island food chains. Its heavy, pointed beak is capable of impaling or bludgeoning prey with ruthless efficiency, though it prefers to swallow most of its food whole.


Huge beast, alignment

Armor Class 13 (natural armor)

Hit Points 51 (6d12+12)

Speed 40 ft., fly 60 ft.


19 (+4) 13 (+1) 14 (+2) 2 (-4) 13 (+1) 5 (-3)

Skills Perception +3

Senses passive Perception 13


Challenge 4



Beak. Melee Weapon Attack: +6 to hit, reach 10 ft., one target. Hit: 20 (3d10+4) piercing damage. If the target is Medium or smaller, it is grappled (escape DC 14) and restrained until this grapple ends. While grappling, the hatzegopteryx cannot bite any other target.

Slam. The hatzegopteryx slams a grappled creature into the ground. The creature must make a DC 13 Constitution saving throw or take 30 (4d12+4) bludgeoning damage and be stunned for 1 round. On a successful save the creature takes half damage and isn’t stunned.

Swallow. The hatzegopteryx makes a beak attack against a Medium or smaller target it is grappling. If the attack hits, the target is swallowed and the grapple ends. While swallowed, the target is blinded and restrained, it has total cover against attacks and other effects outside the hatzegopteryx, and it takes 14 (4d6) acid damage at the start of each of the hatzegopteryx’s turns. A hatzegopteryx can have only one creature swallowed at a time.

If the hatzegopteryx takes 15 damage or more on a single turn from the swallowed creature, the hatzegopteryx must succeed on a DC 12 Constitution saving throw at the end of that turn or regurgitate the creature, which falls prone in a space within 10 feet of the hatzegopteryx. If the hatzegopteryx dies, a swallowed creature is no longer restrained by it and can escape from the corpse by using 10 feet of movement, exiting prone.

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