v0.31:Giant olm

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Giant olm



  • Underground Caverns (wet)
  • Underground Depth: 1-2
Pet Attributes
Pet value 750

Cannot be trained

Exotic - cannot be tamed


Child body size
20,000 cm3
Adolescent body size
100,000 cm3
Adult body size
200,000 cm3

Butchering returns

(Value multiplier x4)

Food items

Meat 14
Fat 13
Brain 1
Heart 1
Lungs 2
Intestines 1
Liver 1
Kidneys 2
Tripe 1
Sweetbread 1
Spleen 1

Raw materials

Bones 17
Skull 1
Skin Raw hide
This article is about an older version of DF.
A giant amphibian predator found underground near water.

A giant olm (not to be confused with the Olm man) is obviously a very large version of a regular olm. They are amphibious predators, which appear near subterranean water. Aside from being bigger and meaner, they're essentially the same as regular olm. They can dive, and breathe underwater with their gills. While real olms do have eyes, they are supposed to be heavily underdeveloped leaving them essentially blind, but there is nothing in the raws to make the in-game olms hunt through scent or sound, so their eyes work fine and they can be blinded. Real olms spend their entire lives underwater, but the in-game giant variety have absolutely no trouble crawling (snaking?) their way onto land and into your fortress, causing havoc and unexpected death fun.

Can be used as a mount by goblin siegers. While this will allow the siegers to travel through water, it will not permit them to swim - if they remain underwater for too long, they will drown.

Giant olms, like cave crocodiles, giant cave spiders, and giant toads, are "annoying" building destroyers.

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