Chaos Castle Difficulty 4 is a battle field which was created by Lugard, the God of the Heaven World, and Secrarium, the God of the Underworld. Its purpose was for the balance of good and evil in the world. Over time, the participants began favoring with Lugard, and the balance of power in favor of himself. To restore this balance to the battle, Secrarium offered Lugard the suggestion of a requiring participants to wear Armor of Guardsman during the battle. Lugard accepted the offer, aggreeing it was fair. There is no better place to test your strength. Here, players can battle to the death, against other players and evil underwold warriors, for prestige and prizes! There is no penatly upon death, nor for killing another player, in this Mini-game.