The Witcher 3: Wild Hunt

The Witcher 3: Wild Hunt

78 Achievements

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157.5-196h

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Mutant

Mutant

Fill all mutagen slots.

15

15.1%

How to unlock the Mutant achievement in The Witcher 3: Wild Hunt - Definitive Guide

Mutagen slots can be found on the character development page. There are four slots, each one unlocking when you reach a certain level, the last one unlocking at level 28.
The mutagens that you put in the slots can be found on the bodies of your enemies and can also be crafted in the alchemy menu.
Matching the skills that are placed in the three squares to the colour of the mutagen that you have slotted into that area will also increase the power of said mutagen (I.e. a 10% sign intensity mutagen will increase to 40% if three matching colour skills are slotted next to it.
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27 May 2015 03:45

1 Comment
Just for information purposes, it doesn't have to be directly across from it, it has to be matching colors in that quadrant. So an example is green in the mutagen slot and to the right (assuming top left corner) there are 3 blocks. Any of those blocks can have a green skill and it will connect.
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By WayzoftheRaven on 09 Feb 2017 16:07
The last mutagen slot unlocks at level 28. As soon as you unlock it just equip 4 random mutagens in all slots.

Mutagens come in three categories, Red/Bue/Green which benefit Combat/Sign/Alchemy respectivly. They drop from monsters around the world.
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18 Jun 2015 10:13

The mutagen slots are found on the character development page and gradually unlock as you increase in level. To open the final and 4th slot, you'll need to get to level 28. At that point you should be rolling in mutagens (which you get for killing many of the creatures in the game) so should have no problem filling all 4.
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26 Mar 2016 00:00

In order to actually unlock all mutagen slots, you will need to reach Level 28. Once you are of this level, you'll unlock the fourth mutagen slot and can finally fill it with a mutagen of your choosing. For those unfamiliar, mutagens are rare organic ingredients that be obtained from the remains of defeated monsters. These mutagens can then be equipped in the Character Panel to increase attack power (red mutagen), Sign intensity (blue mutagen), and even Vitality (green mutagen).

There are two types of mutagens in the game: lesser and greater. The Lesser mutagens can be found most commonly on any monster of the wild; this includes Nekkers, Hags, Wraiths, Harpies, and more. The greater mutagens are found on more unique monsters in the game however, such as contracted monsters. With this in mind, just be sure to always loot your enemies/opponents and more often than not, you'll be lucky enough to find a mutagen on their corpse. Whether you equip lesser or greater mutagens in the four slots of the Character Panel, this achievement will unlock once all four slots are filled.

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When you reach level 28, you will have all four mutagen slots unlocked. By that time, you should have amassed more than enough mutagens from defeating monsters to fill all four slots. Equip any four mutagens in each slot and the trophy will unlock.

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There are only 4 slots in the skill tree. Each of the cells becomes available for the installation of a mutagen as the Herald is pumped up.

The last cell opens at level 28 of our hero.

It is enough to install any mutagens in these cells, of which we will have a huge amount at some point.
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25 Jun 2015 11:37

1 Comment
On difficulty "To Death!" in any case, mutagens will be needed, so there is no point in bothering with the trophy. It will drop out as soon as the mutagen is installed in the last cell
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By ReacTivity on 14 Sep 2021 11:57
There are only 4 cells, the last one becomes available at level 28. Insert any mutagens (by level 28 you will have a bunch of them) and get the achievement.
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25 Jun 2015 14:42