RiftMu Event Calendar & Times
New to the schedule? See what each event drops and which ones deserve an alarm →
All events at a glance
Every event on the server, soonest first. Open one to see its complete schedule for the week.
| Event | Realm | Next start (UTC) | Your time | Starts in | Schedule |
|---|---|---|---|---|---|
| Last Man Standing 21 start times listed | All realms | Sat, 12 Sep 10:30 | -- | --:--:-- | Full schedule → |
| Arca War 16 start times listed | PERMANENT | Sat, 12 Sep 11:00 | -- | --:--:-- | Full schedule → |
| Chaos Castle 84 start times listed | All realms | Sat, 12 Sep 11:05 | -- | --:--:-- | Full schedule → |
| Chaos Castle Survival 84 start times listed | All realms | Sat, 12 Sep 11:05 | -- | --:--:-- | Full schedule → |
| Blood Castle 154 start times listed | All realms | Sat, 12 Sep 11:10 | -- | --:--:-- | Full schedule → |
| Devil Square 154 start times listed | All realms | Sat, 12 Sep 11:20 | -- | --:--:-- | Full schedule → |
| DoppelGanger 49 start times listed | All realms | Sat, 12 Sep 11:30 | -- | --:--:-- | Full schedule → |
| Guild Battle 28 start times listed | PERMANENT | Sat, 12 Sep 11:45 | -- | --:--:-- | Full schedule → |
| Crywolf 21 start times listed | All realms | Sat, 12 Sep 12:00 | -- | --:--:-- | Full schedule → |
| Illusion Temple 56 start times listed | All realms | Sat, 12 Sep 12:05 | -- | --:--:-- | Full schedule → |
| Boss Battle Together 56 start times listed | All realms | Sat, 12 Sep 12:15 | -- | --:--:-- | Full schedule → |
| Icewind Valley 42 start times listed | PERMANENT | Sat, 12 Sep 13:30 | -- | --:--:-- | Full schedule → |
| Loren Deep 28 start times listed | All realms | Sat, 12 Sep 14:00 | -- | --:--:-- | Full schedule → |
| Illusion Temple League 1 start times listed | All realms | Sat, 12 Sep 15:00 | -- | --:--:-- | Full schedule → |
| Acheron Guardian 24 start times listed | All realms | Sun, 13 Sep 00:07 | -- | --:--:-- | Full schedule → |
| Tormented Square 10 start times listed | All realms | Thu, 17 Sep 17:30 | -- | --:--:-- | Full schedule → |
| Castle Siege 7 start times listed | PERMANENT | Fri, 18 Sep 00:00 | -- | --:--:-- | Full schedule → |
Times are server time (UTC) with your own clock beside them. Where an event has a sign-up window, the countdown runs to sign-up first, then to the start.
Convert MU event times to your local clock
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What are MU Online events?
Timed events are where MU Online characters get rich: Devil Square, Blood Castle, Chaos Castle, Crywolf, Arca War, Castle Siege and Boss Battle Together hand out huge experience, Jewels, socket items and end-game gear to players who show up regularly and play well.
Every scheduled fight on RiftMu in one place: when Castle Siege starts, when Icewind Castle opens, and which players and guilds joined the latest battles.
- Times are stored in UTC on the server side and translated into your local timezone for you.
- Open any event for its own page: the full schedule, how often it runs and what to know before you go.
- The soonest events float to the top, and anything live or in registration gets highlighted automatically.
Instanced events you should not skip
- Blood Castle – Sprint across the bridge, smash the castle gate, clear the monsters inside and carry the Archangel's weapon home for a fat EXP and Jewel payout.
- Devil Square – Waves of tightly packed monsters, a ticking clock, and as much experience and loot as you can farm before time runs out. Devil Square guide
- Chaos Castle – Half arena, half survival test: the floor shrinks while monsters and rival players try to shove you into the void. Outlast everyone to win.
Large-scale guild warfare
- Crywolf Fortress – Hold the Wolf Statue against Balgass. Win and the whole server gets buffed; lose and Kundun's armies grow stronger.
- Castle Siege – The weekly war for the castle itself — winning guilds collect tax income, prestige and the keys to Land of Trials.
- Arca War – Guild-versus-guild warfare spread across Alkmaar, Ubaid and Debenter; holding elemental obelisks earns tokens and bonuses.
- Boss Battle Together – Server-wide co-op raids: parties pile onto huge bosses together for enhancement materials and top-tier drops.
Getting the most out of this schedule
- Do not chase everything: pick two or three events that fit your playtime and track just those timers.
- Open the event you care about and skim the next seven days of start times in one go.
- The live bar at the top shows what is running right now — check it first whenever you log in.
- Coordinate Siege, Arca War and Boss Battle Together in guild chat early, so the whole roster is ready when registration opens.
Event Questions, Answered
- Which events run on RiftMu?
- The headline wars are Castle Siege, Icewind Castle and Arca Battle, backed up by Blood Castle, Chaos Castle, Devil Square, Crywolf and boss events — each with its own reward pool for players and guilds.
- How do I get into Castle Siege or Icewind Valley?
- Both are guild events: find yourself an active guild first, then show up when the timer on this page hits zero.
- Where are the exact start times listed?
- Right here — this page keeps the schedule for Castle Siege, Icewind Castle and every other event current at all times.