here, no one could ever enter the Netherworld."Mordu's words conveyed a very important message.“Then do you know what the ultimate calamity is” Kagura couldn’t help but ask.The ultimate disaster was t... for his vast knowledge, couldn't find detailed accounts of that battle.Only knowing that in the end, the Demon Lord fell, some things that could not be worn down existed, and were sealed away.And Sai...