Cat (potion)

In The Witcher computer game

Cat
File:File:Potion Cat.png Grants vision in total darkness
Description
Type	potion
Ingredients
Base	any base
Effects	see in the dark
Toxicity	Low
Duration	8 hours
ID	`it_potion_013 it_potion_013a it_potion_013n it_potion_013r`

"Cat is said to have been the first potion created specifically for witchers. The concoction allows witchers to pursue monsters into their lairs, including dark caves, ruins and crypts, because it augments vision to pick up additional wavelengths of light. To prevent blinding, the imbiber's pupils automatically narrow when in bright light. This is possibly the potion most commonly used by witchers."

The Cat potion grants vision in total darkness, a very handy ability in crypts and caves, or just badly lit interiors.

Sources

Triss gives this formula at the end of the Prologue when Geralt asks her about the sorcerer who attacked the lab.
The Book of the Swallow
Receiving this potion from the druids in Chapter V, during "The Green March" will unlock the formula if you did not have it already.

Notes

Recipe for Honeysucker
Recipe for Furball
Cat is quite possibly the potion referred to in the Alchemy section of the in-game Journal entry for Witchman.
In the short story, "The Witcher", Cat seems to be one of the potions Geralt drinks during his night with the striga.

In The Witcher 2: Assassins of Kings

Cat
File:File:Tw2 potion cat.png Allows Geralt to see in the dark and through walls
Description
Category	Magical
Ingredients
Effects	-10%
Toxicity	25
Duration	5 minutes
Source	starting equipment / craftable
Price to buy	10 / 26
Price to sell	2
Weight	0.2

Geralt begins the game with two Cat potions as well as the formula.

Journal entry

Cat is one of the potions witchers use most often. After imbibing it, the witcher is able to see in total darkness and will avoid being surprised by any nocturnal creatures. The potion allows its user to see both living creatures and those made of inanimate matter, even through walls.

Cat slightly disrupts perception, however, as a result of which its user deals less damage to monsters. The Rook potion can be used to alleviate this side effect.

Potion causes minor intoxication when imbibed.

The Cat potion is recommended before entering a cave or a crypt, and before a midnight stroll through dangerous terrain.

In The Witcher 3: Wild Hunt

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Cat
No image yet Grants sight in total darkness.
Description
Inventory/slot	/ Consumables
Category	Master item
Type	Potion
Effects
Ability to see in darkness
Toxicity	15
Duration	240 s
Crafting
Components	1x Dwarven spirit 4x Berbercane fruit 2x Water essence