Chapter 262 - Day 128.4

"Anyways, to answer your question, if you are referring to the Core, then yes. You see, a group of humans invaded the spiritual world years ago and abducted spirits and placed them inside of cores to empower their kin with our abilities. Little did the foolish humans know that our power can cause their deaths, and the spirit inside can sometimes take over the human body. Regardless, this is why we went to war with the humans and why the humans are our enemy." Sia explained although it seemed like she was hiding something since she seemed to only give the basic details, regardless, she did answer Josh's question.