Losing/The Fortress
The serum we are currently giving them now not only only increases their sex drives and virility as it did before, but gives their semen mutagenic properties; these transfer elemental traits to the recipient. using this method we have already made a successful
No Chance, Ch 3
"it's more likely a mutation than a disease, courtney." he offered, reaching to his pouch to extract a small tube of some kind of gel, "even if it were possible to spread the specific strain of mutagen, casual contact wouldn't be a likely way to do it
Kaiju Chaos; Manual.
Scientific kaiju can be summoned, or created using mechanical science or mutagenic science.
A Not So Subtle Revelation - Azreal(WereGryphon) TF
Azrael couldn't hold back any longer as he threw his head back in a dominant, primal screech as he came hard within eli, seeding him to the brim with his potent and mutagenic cum.
The World's Faul -Ch. 4
I recall selecting that mutagen. i'm glad it works." "me too. let's keep going." we continued on our way, dave telling me where to go. we eventually got to the room. the records room. dave walked up to the small door and moved the handle.
Fallout-7:World of grey
'he has a mutagenic abnormality.' he said. david looked at him disapprovingly. 'abnormality? really?' david muttered to himself. the receptionist lowered her glasses slightly and stared david up and down .
Facility- Chapter 1
He describes the serum as a progressive mutagenic agent that wasn't doing what it was intended. originally designed to treat degenerative conditions, instead it ended up causing one of its own.
Syngeneia Kathairein part 35
Doesn't explain what he needs the negative, mutagenic energy for though...
No Chance, Ch 8
Some of the humans had survived as well, forever changed into new forms by the strange mutagen that had altered them. any surviving division six personnel were rounded up and locked into the research rooms in level four.
Valahraoin
* * * section ii - vr-01 it appears that the mutagen has reacted positively to the subject.
Laboratory Raid - Part 1
Again the tiger was submerged, but this time the wolf was shooting mutagenic semen into him at an insane rate. immediately his body absorbed its own mass in the liquid, inducing a powerful cascade of mutation.
Sibling Rivalry
Already the mutagen was beginning to take effect. the growing swell of his chest was noticeable, along with the increasing size of his hips.