How to enter Battle of madness

You can enter [Battle of madness - The Ruins of Death] from Manager of Dungeon guide NPC in Geojo' Taberncle.
The Ruins of Death is a guild dungeon, so the guild master must enter first.
The Ruins of Death can be entered once per day, and the battle lasts for 2 hours.

Entry Level: 70 or higher
Entry Cost: 100,000 zamogeon

The Ruins of Death Information

The Ruins of Death features a boss monster with powerful abilities from the Underworld.
The Watcher of the Underworld does not have a color name system, and all players can challenge it on equal terms.
However, he has strong attack and defense power, so it requires cooperation with another player, and when it falls below a certain HP, it becomes violent and uses powerful area-of-effect damage and stun attacks.

Battle of Madness Reward

Battle of Madness ranks are determined by the fastest monster kill order each week.
Rank rewards will be sent to the guild master's mailbox every Monday at 00:00.

Rank	Item name	Item list
1	Challenge Reward Box (V)	[Guild] Infinity Doggebi's hiding place admission ticket 2EA	Reward point coupon (1,000) 10EA	Haepa's Equipment Material Box 10EA
2	Challenge Reward Box (IV)	[Guild] Infinity Doggebi's hiding place admission ticket 1EA	Reward point coupon (1,000) 8EA	Haepa's Equipment Material Box 8EA
3	Challenge Reward Box (III)	[Guild] Infinity Doggebi's hiding place admission ticket 1EA	Reward point coupon (1,000) 6EA	Haepa's Equipment Material Box 6EA
4~10	Challenge Reward Box (II)		Reward point coupon (1,000) 4EA	Haepa's Equipment Material Box 4EA
11~30	Challenge Reward Box (I)		Reward point coupon (100) 5EA	Haepa's Equipment Material Box 1EA

Haepa's Equipment Material Box Composition

Item name	Amount	Item name	Amount
Touch of water	4	Gale Skeleton rib	4
Awl of water	4	Gale Skeleton heart	4
Origin of water	4	sacred blue gemstone	1
Land God’s trace	4	sacred purple gemstone	1
Land God’s jar	4	Crystal of Red Power	1
Land God’s stone statue	4	Crystal of Blue Power	1
Gale Skeleton head bone	4	tricolor crystal	1