Review Detail of JernSure in Blood Warlock: Succubus Partner in the Apocalypse

I really enjoyed how the book started out and I have read up to around chapter 150. However im quickly getting annoyed at the inconsistencies that have suddenly started. earlier they said using external weaponry what not hindered leveling up. I also have noticed the the orbs that are supposed to drop suddenly seem to not be a thing after he killed 10 first order enemies and not a single mention of an orb dropping.