Laboratory rat

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Obsolete: This article refers to an aspect of the game which has been removed. It is retained for historical reference only.

For a list of all rodents, see list of rodents.

laboratory rat rLaboratory rat.png
HP 17-37
HD 5
XP 127
Speed 9-17
"-17" can not be assigned to a declared number type with value 9.
AC 5
EV 5
Will 20
Attack1 10 (hit: plain)

Resistances None
Vulnerabilities None
Habitat Land
Intelligence Animal
Uses Uses nothing
Holiness Natural
Size Little
Type rat, laboratory rat
Flags Fake spells
Silence immune
A rat that has been subjected to a wizard's terrible experiments. Who knows what it is capable of?

Useful Info

Laboratory rats are common vermin that have been altered by a mad wizard into dangerous abominations. They come in a wide variety of flavors, each of which has its own unique powers that are unaffected by Silence. They can be found in the mad wizard's laboratory vault, which is occasionally located in the deeper sections of the Dungeon.

Image Type Special Traits
Laboratory rat.png Plain None
Laboratory rat levitating.png Airborne Levitation
Electricity resistance
Laboratory rat armoured.png Armoured Increased AC
Laboratory rat beastly.png Beastly Increased HD
Random speed (10 - 17, similar to a hell beast)
Laboratory rat fiery.png Fiery Fire breath attack
Fire resistance
Laboratory rat gaseous.png Gaseous Noxious breath attack
Poison resistance
Laboratory rat mutated.png Mutated Mutation-branded attacks
Laboratory rat leeching.png Parasitic Vampiricism-branded attacks
Laboratory rat shifting.png Shifting Randomly blinks
Laboratory rat venomous.png Venomous Venom-branded attacks
Poison immunity


Spell set I
Slot1 Blink
Slot2 Blink
Slot3 Blink
Slot4 Blink
Slot5 Blink
Slot6 Blink
Spell set II
Slot1 Fire Breath (3d10)
Slot2 none
Slot3 none
Slot4 none
Slot5 none
Slot6 none
Spell set III
Slot1 Mephitic Cloud
Slot2 none
Slot3 none
Slot4 none
Slot5 none
Slot6 none
Spell set IV
Slot1 Shock (d11)
Slot2 none
Slot3 none
Slot4 none
Slot5 none
Slot6 none

Tips & Tricks

You can tell when you're about to face these guys by the mad wizard standing guard out front. As soon as you open the door to the room in the back, expect a flood of Mephitic Cloud spells to hit you and all the rats present, as well as several shifting rats to blink past you. With some good area of effect spells, you can clear the room very quickly. Just make sure to have poison resistance or clarity to avoid an embarrassing, confused death.

Be sure to kill the mutated rats from range, as they have the mutation-branded attack of Mnoleg and pulsating lumps, as opposed to the ranged spell of neqoxecs and cacodemons.


Laboratory rats were removed in 0.13.