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Remorhaz

Light blue centipede-like creature that pulses with reddish glow from intense body heat

Type: Magic Beast

Biome: Arctic

Stat Blocks

Basic Fantasy Field Guide Omnibus
Armor Class20
Hit Dice7* to 14* (+11)
Number Appearing1
Attacks1 bite (+ special on 20)
Damage4d6 (7-8 HD), 5d6 (9-12 HD), or 6d6 (13-14 HD) (+ possible special)
Movement30' Burrow 20'
Save AsFighter: 7 to Fighter: 14 (as hit dice)
Morale11
XP7 HD 735; 8 HD 945; 9 HD 1150; 10 HD 1,390; 11 HD 1,670; 12 HD 1,975; 13 HD 2,285; 14 HD 2,615
Treasure TypeD (see below)
A Remorhaz is light blue in color but pulses with a reddish glow from the heat its body produces. It is a little more than 20 feet long and about 5 feet wide, and weighs about 10,000 pounds. A remorhaz hides under the snow and ice until it hears movement above it, attacking with surprise.
Copyright 2010-2025 Chris Gonnerman, R. Kevin Smoot, James Lemon, Matt Sluis, and Contributors. Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0). License
Old-School Essentials Advanced Fantasy Genre Rules
Hit Dice7* to 14*

Limited monster data (name, HD, biome, type only) published with permission from Necrotic Gnome. Full statistics available in the published book.

Copyright 2020 Gavin Norman.
OSRIC
Armor ClassBody 0; head 2; underside 4
Hit Dice7 to 14
Number Encountered1
Attacks1
Damage6d6
Move120-ft
AlignmentNeutral
IntelligenceAnimal
XP7 HD: 6/625+8/hp 8 HD: 6/950+10/hp 9 HD: 7/1,400+12/hp 10 HD: 7/1,700+13/hp 11 HD: 7/2,100+14/hp 12 HD: 8/3,000+16/hp 13 HD: 8/3,500+17/hp 14 HD: 8/4,200+18/hp
SizeLarge (21-ft to 42-ft length)
FrequencyVery rare
Lair20%

Monster statistics extracted from online SRD wiki, not the published hardcover edition.

These great polar worms are found only in arctic areas. The remorhaz attacks on sight, and if encountered in its lair there is a 1 in 4 chance it has a mate and 1d3 eggs; the eggs can be sold on some markets for 5,000 gp each.

The HD of the remorhaz determines its length: starting at 21-ft, each hit die above 7 adds 3-ft, so that a 14 HD specimen will be roughly 42-ft long. The remorhaz is ice-blue in colour, with white protrusions along its back and white insect-like eyes.

When attacking, the remorhaz rises on the back section of its body and begins beating its bat-like wings. Its attack is blinding, and the larger-sized remorhaz can swallow its prey whole. All remorhaz generate an intense internal heat that instantly destroys any swallowed opponent. An opponent is swallowed and destroyed if the remorhaz’ attack score is a 20.

When aroused for combat, the internal heat of the remorhaz seeps up into the protrusions on the back of the creature. Non-magical weapons that strike the back will melt, and any physical touch deals 10d10 hp damage.