Fortitude +26, Reflex +23, Will +20
Athletics +27, Nature +23, Stealth +30, Survival +25
Darkvision, Wavesense 120 feet Imprecise
Thalassic
Bleed, Paralyzed, Poison, Sleep
Cold 10, Fire 10
Actions & Abilities
Freezing Wave
Damage: 1d12 Cold, 3d12+10 Bludgeoning
Icicle
Damage: 1d12 Cold, 3d12+4 Piercing
Watery Body
The iceberg clam can occupy the same space as other creatures and is considered difficult terrain to other creatures.
Ambush Freeze
Requirements The iceberg clam does not have a frozen shell
Trigger An enemy enters or attempts to leave the clam's space
Effect The iceberg clam uses Frozen Shell.
Boil
Frequency once per round
Effect All creatures in the iceberg clam's space take 4d10[persistent,fire] damage ( save) and if the iceberg clam has a frozen shell, the shell takes 20[fire] damage that bypasses Hardness. A creature can't recover from this persistent fire damage while in the iceberg clam's space.
Frozen Shell
The iceberg clam covers itself with a frozen shell. All creatures in the iceberg clam's space can't leave those squares for as long as the frozen shell is in place. The shell has AC 10, Hardness 10, and 60 Hit Points, and it's immune to critical hits and precision damage. If the iceberg clam moves, all creatures trapped within its shell move with the clam. While an iceberg clam has a frozen shell, any attacks originating from outside the iceberg clam's space must target the shell. The iceberg clam can Dismiss its shell. If the iceberg clam does so or the shell is reduced to 0 Hit Points, the iceberg clam can't use Ambush Freeze or Frozen Shell again for {1d4 rounds}.
Heated Jet
Requirements The iceberg clam does not have a frozen shell
Effect The iceberg clam surges along a jet of superheated water, moving up to 60 feet in a straight line and dealing 4d10[fire] damage to creatures along its path ( save).
Spellcasting
DC 30
Creature Abilities
Watery Body. The iceberg clam can occupy the same space as other creatures and is considered difficult terrain to other creatures.
Ambush Freeze. Requirements The iceberg clam does not have a frozen shell
Trigger An enemy enters or attempts to leave the clam's space
Effect The iceberg clam uses Frozen Shell.
Boil. Frequency once per round
Effect All creatures in the iceberg clam's space take 4d10[persistent,fire] damage ( save) and if the iceberg clam has a frozen shell, the shell takes 20[fire] damage that bypasses Hardness. A creature can't recover from this persistent fire damage while in the iceberg clam's space.
Frozen Shell. The iceberg clam covers itself with a frozen shell. All creatures in the iceberg clam's space can't leave those squares for as long as the frozen shell is in place. The shell has AC 10, Hardness 10, and 60 Hit Points, and it's immune to critical hits and precision damage. If the iceberg clam moves, all creatures trapped within its shell move with the clam. While an iceberg clam has a frozen shell, any attacks originating from outside the iceberg clam's space must target the shell. The iceberg clam can Dismiss its shell. If the iceberg clam does so or the shell is reduced to 0 Hit Points, the iceberg clam can't use Ambush Freeze or Frozen Shell again for {1d4 rounds}.
Heated Jet. Requirements The iceberg clam does not have a frozen shell
Effect The iceberg clam surges along a jet of superheated water, moving up to 60 feet in a straight line and dealing 4d10[fire] damage to creatures along its path ( save).
Source, license, and attribution
Source: Pathfinder Monster Core 2 (remaster-core-2026-08-10)
This product is licensed under the ORC License located at the Library of Congress at TX 9-307-067 and available online at various locations. All warranties are disclaimed as set forth therein. Attribution: Pathfinder Monster Core 2 (c) 2025, Paizo Inc.; Authors: Alexander Augunas, Jesse Benner, Joshua Birdsong, Logan Bonner, Jason Bulmahn, James Case, Jessica Catalan, John Compton, Paris Crenshaw, Adam Daigle, Katina Davis, Jesse Decker, Darrin Drader, Felix Dritz, Brian Duckwitz, Robert N. Emerson, Scott Fernandez, Eleanor Ferron, Hexe Fey, Benjamin Fields, Keith Garret, Scott Gladstein, Leo Glass, Matthew Goodall, Alice Grizzle, T.H. Gulliver, Sen H.H.S., Steve Hammond, Tim Hitchcock, Joan Hong, Vanessa Hoskins, James Jacobs, Brian R. James, Michelle Jones, TJ Kahn, Mikko Kallio, Jason Keeley, Joshua Kim, Avi Kool, John Laffan, Lyz Liddell, Luis Loza, Colm Lundberg, Ron Lundeen, Mahpiya, Philippe-Antoine Menard, Jacob W. Michaels, Patchen Mortimer, Dennis Muldoon, Andrew Mullen, Quinn Murphy, Dave Nelson, Jason Nelson, K. Tessa Newton, Tim Nightengale, Samantha Phelan, Randy Price, Stephen Radney-MacFarland, BJ Recio, Jessica Redekop, Mikhail Rekun, Patrick Renie, Alex Riggs, David N. Ross, Simone D. Sallé, Michael Sayre, David Schwartz, Mark Seifter, Chris Sims, Rodney Sloan, Shay Snow, Kendra Leigh Speedling, Amber Stewart, Jeffrey Swank, Tan Shao Han, Russ Taylor, William Thompson, Jason Tondro, Clark Valentine, Ruvaid Virk, Andrew White, Landon Winkler, and Linda Zayas-Palmer. Adaptation: Myth Meister PF2e Remaster Compendium, 2026. If you use this Adapted Licensed Material, please credit Myth Meister. The normalized rules records and rules-reference text in the Myth Meister PF2e Remaster Compendium are Adapted Licensed Material offered under the ORC License. Reserved Material in this product includes the Myth Meister name and logos, application source code, visual design and trade dress, and original campaign content. Pathfinder, Paizo, product logos, artwork, maps, trade dress, setting lore, characters, deities, locations, organizations, events, plots, and other Paizo Reserved Material are not included. Myth Meister is not affiliated with or endorsed by Paizo Inc. Expressly Designated Licensed Material: None.