The Witcher 3 mutagens

Activate mutagens by placing them in the diamond-shaped slots on the Character panel. Next to each slot is a set of square Ability slots. Activated mutagens grant special bonuses to your character statistics. Different types (colors) of mutagens grant different kinds of bonuses.
Each Ability placed in a slot near a mutagen of the same color increases that mutagen's bonus by 100%. So if all three Abilities in a set of slots match their nearby mutagen's color, the mutagen's bonus will be increased by 300%. The magnitude of this bonus can be further increased by the "Synergy" ability in the Alchemy tree. Abilities whose color does not match their nearby mutagen have no effect on the mutagen's bonus – they neither increase nor decrease it.
== Usage ==
Up to four mutagens can be active at once (unlocked at levels 4, 9, 16, 28). Each mutagen slot has three Ability slots: each ability placed in a slot connected to a mutagen of the same color increases that mutagen's bonus by 100%.
== Regular mutagens ==
Regular mutagens drop from some of the slightly stronger, organic monsters (i.e. no specters, elementa or beasts). That notably excludes the weakest enemies such as drowners and ghouls, while their stronger conterparts (drowned dead and alghouls respectively) may drop them at random. The truly powerful foes that can be looted for special mutagens are also usually unable to drop these, though not all.
In the base game, only the lesser versions can be looted and the higher tiers must be crafted from them. However, monsters in the can also drop "medium" and greater mutagens.
Image	Name 	Effects
 	Lesser blue mutagen 	
 	Blue mutagen 	
 	Greater blue mutagen 	
 	Lesser green mutagen 	
 	Green mutagen 	
 	Greater green mutagen	
 	Lesser red mutagen 	
 	Red mutagen 	
 	Greater red mutagen 	
== Special mutagens ==
These mutagens are dropped occasionally by their corresponding monster and act like lesser mutagens, giving lower stats.
Image	Name 	Effects
 	Ancient leshen mutagen 	
 	Arachas mutagen 	
 	Archgriffin mutagen 	
 	Basilisk mutagen 	
 	Chort mutagen 	
 	Cockatrice mutagen 	
 	Doppler mutagen 	
 	Earth elemental mutagen	
 	Ekhidna mutagen 	
 	Ekimmara mutagen 	
 	Fiend mutagen 	
 	Foglet mutagen 	
 	Forktail mutagen 	
 	Grave hag mutagen 	
 	Griffin mutagen 	
 	Katakan mutagen 	
 	Leshen mutagen 	
 	Nekker warrior mutagen 	
 	Nightwraith mutagen 	
 	Noonwraith mutagen 	
 	Succubus mutagen 	
 	Troll mutagen 	
 	Water hag mutagen 	
 	Werewolf mutagen 	
 	Wraith mutagen 	
 	Wyvern mutagen 	
== Notes ==
* With the , you can dismantle monster mutagens at the Alchemy Lab in the cellar of Corvo Bianco, yielding a lesser mutagen of the corresponding color. If a mutagen is an ingredient for a potion you have not yet obtained, the game will ask you to confirm before dismantling it (i.e. if you are not prompted you can safely dismantle it).
* With the , you can transform mutagens to different color of same quality (e.g. greater green to greater blue or greater red)
* Originally, all alchemical ingredients, including mutagens, weighed 0.01 , but as of they weigh nothing at all.
Category:The Witcher 3 items
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pl:Mutageny w Wiedźminie 3
ru:Мутагены (Ведьмак 3)