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Dinosaur, Pachycephalosaurus

Pachycephalosaurus Creature3

N Large Animal Dinosaur

Senses Perception +10; low-light vision, scent (imprecise) 30 feet

Skills Athletics +11, Intimidation +7

Str +4, Dex +3, Con +4, Int -4, Wis +3, Cha +0

AC 19; Fort +12, Ref +11, Will +7

HP 65

Speed 35 feet

Melee [one-action] skull +11 (forceful, reach 10 feet), Damage 1d10+6 bludgeoning

Clobbering Charge [two-actions] The pachycephalosaurus Strides up to its Speed. If it ends its movement within melee reach of a target, it can make a skull Strike against that target. If the pachycephalosaurus critically hits with this Strike, the creature hit is stunned 1.

Sudden Shove [reaction] (attack) Trigger The pachycephalosaurus damages a Medium or smaller foe with its skull Strike; Effect The pachycephalosaurus digs in and flings its head up, shoving its foe away. It attempts an Athletics check against the target’s Fortitude DC.

Critical Success The pachycephalosaurus pushes the opponent up to 10 feet away from itself and knocks the target prone.

Success The pachycephalosaurus pushes the opponent back 5 feet.

Failure The pachycephalosaurus fails to push the opponent.

Critical Failure As failure, but the failed attempt leaves the pachycephalosaurus flat-footed for 1 round.


Pachycephalosauruses are normally peaceful herbivorous dinosaurs, but they grow much more violent during their mating season, when they fight one another to win over mates and warn away interlopers. They also defend themselves vehemently when potential predators stray too close to their herd. The pachycephalosaurus’s skull has a distinctive dome-shaped crown surrounded by numerous blunt, bony horns. This feature, combined with the dinosaur’s powerful, compact neck, allows it to make battering-ram-like charges capable of inflicting great damage.

Some humanoid groups have successfully trained pachycephalosauruses for use as mounts, but the creatures aren’t particularly well suited to the task.

Pachycephalosauruses grow to a length of 15 feet and weigh 1,400 pounds.

Section 15: Copyright Notice

Pathfinder Bestiary 2 (Second Edition) © 2020, Paizo Inc.; Authors: Alexander Augunas, Dennis Baker, Jesse Benner, Joseph Blomquist, Logan Bonner, Paris Crenshaw, Adam Daigle, Jesse Decker, Darrin Drader, Brian Duckwitz, Robert N. Emerson, Scott Fernandez, Keith Garrett, Scott Gladstein, Matthew Goodall, T.H. Gulliver, BJ Hensley, Tim Hitchcock, Vanessa Hoskins, James Jacobs, Brian R. James, Jason Keeley, John Laffan, Lyz Liddell, Colm Lundberg, Ron Lundeen, Jason Nelson, Randy Price, Jessica Redekop, Patrick Renie, Alistair Rigg, Alex Riggs, David N. Ross, David Schwartz, Mark Seifter, Amber Stewart, Jeffrey Swank, Russ Taylor, and Jason Tondro.