The assimilation system creator watched every single being that has mana in the universe explode without feeling anything. Yet, when those few thousand warriors that managed to scratch died, he felt disappointed. Not sad, just disappointed.
"I suppose it was only obvious considering that the origin of their power is me. I have all the knowledge related to mana; I can use all the techniques they also developed. Not to mention, I have a vastly superior nervous system. Yet… it intrigues me that not a single one of them decided to abandon their old bodies and became limitlessly powerful."