Arca Battle

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Arca Battle — MU Online Event Guide

Arca Battle is guild-versus-guild over three Fire Towers spread across Acheron and Debenter. Guilds register, fight for the towers, and the side holding them at the end takes the rewards and a server-wide experience buff.

It runs once a week and needs a real guild behind it — at least 10 members to sign up.

Event at a Glance

Property	Value
Status	Enabled
Runs on	Wednesday
Start time	22:00
Duration	30 minutes
Guild members required	10
Guild master registration	10 minutes
Member registration	10 minutes
Party wait	5 minutes
Channel closes after	10 minutes
Friendly fire	off
Tower buff experience reward	+20%

The Three Fire Towers

Each tower has to be worn down to its occupy threshold before it changes hands, then it regenerates. Two sit in Acheron, one in Debenter.

Tower	Map	Position	Health	Occupy at	Regen
Fire Tower	Acheron 2	(89,41)	500 000	300 000	20 000
Fire Tower	Acheron 2	(188,101)	500 000	300 000	20 000
Fire Tower	Debenter 2	(162,54)	500 000	300 000	20 000

Aura Points

Three aura points surround each tower. Holding them is what lets a guild push the tower down.

Tower	Aura positions
Fire Tower 1	(89,58), (84,30), (104,36)
Fire Tower 2	(175,102), (192,110), (200,96)
Fire Tower 3	(154,60), (162,45), (165,67)

Guardians of the Towers

The towers are defended by the elemental bosses of Acheron and Debenter — the same monsters that patrol those maps the rest of the week.

Notes

One night a week only

Arca Battle runs Wednesday at 22:00 and lasts 30 minutes. Miss it and the next one is seven days away.

A tower does not fall at zero

Each Fire Tower has 500 000 health but changes hands at 300 000. You do not have to destroy it, only push it past the occupy line — and it regenerates, so a half-finished push is wasted effort.

Two towers are in Acheron, one in Debenter

Splitting a guild across two maps is the real tactical problem. (89,41) and (188,101) sit in Acheron 2; (162,54) sits alone in Debenter 2.

The reward is a buff, not just loot

Holding a tower gives +20% experience. That is the reason guilds turn up even when they cannot win outright.

Schedules, entry levels, monster stats and reward tables read straight from the live MuEurope server files — Data/Events/, MonsterList.xml and ItemList.xml as they run on play.muonline.eu. MU Online game assets © Webzen Inc.