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From StarfinderWiki
Type Magical beast
CR 3
Environment Any warm mountains

Source: The Reach of Empire, pg(s). 61

Thermatrods are a species of silicon-based beasts that thrive in extreme heat on various planets.[1]


Thermatrods are normally quadrupedal like gorillas Click this link to see if this article exists on PathfinderWiki., but can switch to a bipedal gait. Their torso is made of various molten minerals, allowing them to digest heavy minerals; it's unknown how this silicon core can maintain such intense heat. Their cooler backside is made of interlocking raised hexagonal plates resembling basalt columns. A typical thermatrod stands 10 feet tall and weighs 1 ton, but exceptional specimens might weigh dozens of tons.[1]

A thermatrod's head lacks facial features other than a dripping maw which it uses to eat loose stones. Due to its chemical makeup, the thermatrod is blind and deaf, having been unable to evolve sensory organs; it instead senses heat and tremors with fine crystalline matrices in its head.[1]


  1. 1.0 1.1 1.2 Lyz Liddell. (2018). Ships of the Star Empire. The Reach of Empire, p. 49. Paizo Inc. ISBN 978-1-64078-061-3