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Antrosapiens, also known as Antros[1][2], are a species of large crystalline monsters that live deep beneath the surface of Petropia.

They are distantly related to the Petrosapiens.


The Antrosapiens resemble theropod dinosaurs made of purple rock. They have yellow eyes, and mouths that practically vanish when closed.


The Antrosapiens live far from the light of the Petropian surface and seem to be creatures that roam together in groups of about two or three.They also might be very solitary too.


They manipulated the wars of the Subsapiens above for centuries before making themselves known and tearing through the Subsapien armies. They were stopped when the Petrosapiens stepped in to ally themselves with the Subsapiens and create a weapon capable of firing the Antrosapien sonic attacks back at them. It will take eons for them to reform.

Later, after they had reformed and the surface races had rebuilt, the Antrosapiens allied themselves with the surface races to fend off a Fulmini invasion of Petropia.

Powers and Abilities

Antrosapiens are capable of generating powerful sonic shrieks that can shatter Petrosapien and Subsapien crystal structures.


They are not immune to sufficiently powerful sonic attacks, and can be shattered just as they would shatter others.

Notable Antrosapiens


The name Antrosapien comes from the Ancient Greek word ántron meaning cave and sapien meaning intelligent coming from the Latin word for wise.


  • The Antrosapiens strongly resemble Godzilla.


Sapient Species
AerophibianAntrosapienAppoplexianArburian PelarotaCascanChimera Sui GenerisEkoplektoidFloraunaFulminiGalvanGalvanic MechamorphHumanKineceleranLepidopterranPetrosapien (Surface Petrosapiens • Subsapiens)Piscciss PremannPyroniteSotoraggianTetramandVaxasaurian
Unnamed Sapient Species
Bashmouth's SpeciesSpace Slime • Tentacle Sentinels
Non-Sapient Species
Arburian CarcharodonHydromanderLavadrex • Mushroars • Stinkworms • Tongue Beetle
Unnamed Non-Sapient Species
Cascareau's Leviathans • Galvan Parasites • Khoros' Behemoths • Kinet's Mollusks
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