"He told me how they did it… How they destroyed and invaded the very world I knew in a single day after that treaty was signed... How from the captured demons they had, they kept them as their very own sex slaves to reproduce, and with that new race, they managed to bypass the restrictions and enter the demon world. While we were busy fighting amongst ourselves in civil wars, they were planning an attack and strengthening their forces…"
"However, out of all the things he revealed, that was somehow the least interesting part…"
"Indeed, the most interesting part was the fact that they had created this new form of energy dubbed as 'mana'. And with it, they were able to do many things… Notably, in the mortal realm to grow so exponentially in strength…"
"It combined a demon's ability to suck and absorb and the long-range of the faith transference they possessed into one invention… Essences of their angelic beasts as the catalyst connecting them from within…"
second chapter later today :)