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“Traditionally, humans believe that omega males and alpha females are signs of nonhuman heritage. This isn’t true, of course, but that's what many humans believe. Since they appear more often in nonhuman races- some Mages theorize that omega males and alpha females are more signs of an increased sensitivity to Chaos. They are often trained as mages for that reason; though male omegas generally give up their fertility for greater power.
“Like all ccubi are considered omega males, even the ones with permanent breasts, ie, Succubi, all Witchers are treated as Alpha males, even the few omega males and females that make it through the trials. Women aren’t - weren’t rather, even considered for the trials very often.
“It’s generally known that Witchers are sterile. This is also generally true. They are only capable of impregnating omegas- let me finish- under very specific conditions and when the mages discovered that the mutations didn’t breed true, they didn’t bother sharing that information, since they believed no one would let a Witcher near an omega in the first place, let alone during one’s heat. The rare omega Witcher’s bodies are rendered inhospitable to harboring children by the potions, as evidenced by their rare, infrequent and often unpredictable heats. Presumably they have a similar effect on the fertility of alpha Witchers, but it takes less time for the effects to clear the body of men’s reproductive organs. It does make it even less likely a thing to happen.”
“Good. Fine.” predictably, Jaskier was the first one to actually say anything. The other Witchers in the room were still stunned to silence by the revelations offered after Vesemir put down the notes he’d collected, some of which included half-incinerated scraps of parchment. “So that all means?”
Vesemir did not seem impressed.
“You’re educated. Take a guess.”
“I’m educated but ever source I could find- including the Witcher I knew never mentioned any of this. Throw me a bone.”
“Hmn. He wouldn’t have known either. In a normal family it would mean Ciri’s about to be an older sister.”
“Fuck.”
“Yeah, that’s how it normally works.” Lambert mumbled under his breath.
Ciri gave a strangled giggle.
Jaskier moaned and put his face in his hands, then sat up, and kicked Geralt in the shin as hard as he could. Clearly that was quite hard as Geralt shifted the leg away unconsciously, still looking a bit battle-dazed despite not having been in real combat since they’d arrived at Kaer Morhen for the winter.
“I TOLD YOU I HADN’T SLEPT WITH ANYONE ELSE! YOU WERE THERE FOR THE ENTIRE GODS DAMNED HEAT! WHEN DID YOU THINK IT HAD HAPPENED?”
“Only you, Geralt.” Yennifer sighed, looking very much in need of a drink.