JKSManga
Though it is never really covered, I'd have to assume that nest crystals have "tiers" like other crystals. The one Logan spawned a multitude of beasts that were all the same level and those were far from Legendary, Demigod, or Demon Tier... However, the one Quinn has was able to spawn a huge number of "Quinns" which would be the equivalent of Demigod/Demon Tier which suggests that it is much more powerful than the one used by Vincent, Jim, or for the vampire cloning. Therefore the "upgrade" to the system and Quinn should be that much more significant. at least we can hope.... right?