Introduction: a barrier that separates the mana to the Earth was broken. giving birth to beings that can''t be explained by modern Science.\n\nDungeon are materializing , it causes people to risk there lives to eradicate its core before it''s to late.\n\nEcosystem was change, animal that once walk the earth was almost extinct. while the new kinds of creatures took there place.\n\nin this dangerous world, a teen named......