Quote Originally Posted by Ogmion View Post
We don't even know for sure if the NM spawns are based upon a raw kill count, that's just player theory at this point.
It's kill 30 mobs and it's marked as prep. Every 11 minutes (or so) and upon completion of bunny fates, it spins the roulette of all the NMs and if it lands on one that is prepped it will spawn. Yes, it's a "theory", but it's got a ton of evidence behind it from people who spend far more time in Eureka than 99% of players.