Where can you find mutagens? (The Witcher 3: Wild Hunt)

one fell out after killing the Griffin

I have 2 of them, one from a griffin, the other from a ghost

pigusik
Mutagens apparently randomly from large fall.
For example, I fell on health from a griffin, but not from a ghost.
Trophies dropped from both

Igor Abramov
Understood. Everything is possible. )

Damn, I also dropped out of two. I screwed up something. :D

I got a lot of small mutagens (8 pcs.) from the crowd of Nackers, somewhere in the forest at the first location.

Nukk Vezukha
) They can then be combined into more powerful ones) And to me, although I climbed the entire first lok and examined all the questions, except for the mutagen, no others fell from the griffin (