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"Though they are not warrior mages who employ powerful spells, witchers can cast simple magic spells that can prove effective when used properly. Witchers call these spells Signs and usually use them against monsters, though they also have non-combat applications."

The witchers prefer single-handed weaponry because it leaves their other hand free to cast Signs. Known signs are Aard, Igni, Yrden, Quen, Axii and Heliotrop.

...The witchers adapted the spell, making use of the fact that it does not require knowledge of a magical formula — concentration and the hand gesture are enough. That's why they call it a Sign.


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Through the use of Circles of Elements, five of the signs become available over the course of the game:

  • Aard
  • Igni
  • Yrden
  • Quen
  • Axii


The Heliotrop sign was not included in the original game, but the FCR mod by the Ifrit Creative Group replaces the Axii sign with it.

Sign modifiers

Geralt's skill at using these signs is governed by the allocation of talents as he levels up. This allocation can affect the following:

  • Sign intensity — basically a multiplier for the severity of the sign cast.
  • Sign duration — used with signs like Quen and Yrden where the length of time a spell lasts is useful.
  • Whether or not a sign can be "powered up".

Cost of casting

The cost of casting a sign is typically measured in endurance. Casting signs uses up endurance and proficiency at casting those signs reduces the amount of endurance required to cast.


  • Leo, a witcher trainee character unique to the game, tells the witcher in the Πρόλογος that he can not use signs since breaking his fingers on the gauntlet during training.
  • The signs included in the game are based on Classical Elements, both in their nature and by their symbols.
  • One sign which was considered, but not implemented, for the game was the Aagni sign, said to be a powerful combination of the Aard and Igni signs.

Aard Igni Yrden Quen Axii