As long as the monster babies don't get stronger like that sage chick who began fulfilling her lifelong dream of becoming a monster breeding mare and made stronger tentacle beasts.
One solution to that is to kill the monster after getting the level up. Unless he levels back down, it's a pretty sustainable way to level up with almost no risks.
As long as the monster babies don't get stronger like that sage chick who began fulfilling her lifelong dream of becoming a monster breeding mare and made stronger tentacle beasts.