Talk:Madness mutagen/@comment-93.105.250.220-20180614134743

Not Endrega queen but Endrega guard.

Endrega queen drops greater and lesser mutagens and it has to be an opponent that drops non-prefix mutagens i.e. average ones. This is because Madness mutagen is counted as an average mutagen despite being so powerful. It probably is because it has only 1 version unlike the others, same goes for the '''Concentration mutagen. '''

I tried farming Endrega queen like a 100+ times and never got one, but after I tried with Endrega guard I got it after about 10 tries.

In fact farming Endrega guards may be a better method than even Harpies. What I did was stand right where an Endrega guard spawns and quicksaved before it climbed down from the tree. The I just kill it as soon as it comes down and if I don't get the mutagen I reload. The Endrega guard doesn't even have time to retaliate and after getting a Madness mutagen you can just SAVE/LOAD and it spawns again, so you can keep farming for more. I did this on Hard difficulty so I can't say how well it works on Dark but I'm sure Insecdoid Oil would solve any problems if it's too hard.

It's possible it also works with Endrega warriors.