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I've collected a nice selection of mutagens so far, but I have no idea on how to actually use them. They are supposed to be able to improve my character somehow.

How exactly do I apply those mutagens?

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Ah, nothing breaks the immersion better than seeing a double helix in a fantasy game. –  Oak May 18 '11 at 19:06
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@Oak Bioshock isn't a fantasy game? –  Nick T Nov 5 '11 at 6:00
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2 Answers

up vote 11 down vote accepted

Mutagens boost your abilities which allow a mutagen slot.

You can loot one from a defeated enemy or you can create one as a byproduct of alchemy.

To apply a mutagen, go into quick menu and choose meditation (Default key: CTRL), then select the Character option and find an ability that has a mutagen slot (list of abilities with mutagen slots). The mutation cannot be reversed.

Mutagens usually take one of three forms: lesser, basic and greater. Each of these forms raises the character’s statistics, but by a different amount:

  • Critical effects mutagen: Increases the chance of causing critical effect.
  • Range mutagen: Increases the range of the Aard, Igni and Axii Signs.
  • Vitality mutag: Increases vitality.
  • Power mutagen: Increases sword damage.
  • Strength mutagen: Increases damage reduction.
  • Concentration mutagen: Increases Sign damage.
  • Madness mutagen: +2 armor, +5 vitality
  • Enhancement mutagen: Increases adrenaline generation on hitting foe
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There are even more mutagens than these listed in the manual, at least I found some that aren't listed here. –  Mad Scientist May 19 '11 at 7:41
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That is cool. The Wikia page is not up2date with TW2 info yet, so maybe you should initiate? :) –  Bora May 19 '11 at 7:51
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We could just update your answer here with mutagens we find. I'd probably need to update my question to also ask about what the mutagens do. –  Mad Scientist May 19 '11 at 7:52
    
That's a good idea. Are you sure the mutagens you found are not sub-classes of the above mentioned? –  Bora May 19 '11 at 7:56
    
I've found just the one unusal one so far, I've edited it into the answer –  Mad Scientist May 19 '11 at 7:59
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You can only use them in combination with certain abilities in your skill tree - e.g. if you activate "fortitude" in the basic branch, a small circle allows you to use a mutagen of similar effect. Definitely something that should have been explained in more detail.

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Is there any information on how many slots there are? It also seems that one should only use the Greater mutagens if the number of slots is limited. –  Mad Scientist May 19 '11 at 7:34
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protected by jmfsg May 22 '11 at 5:51

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