Acheron WorldDocumentation
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Quest Journal

The MU Season 12 quests (MuQuest) — hunts, map conquests, items and events, with EXP, zen, Gens and items.

The Quest Journal arrived on October 9, 2026, from MU Season 12. It brings more than 350 quests from the original MU, organized in chapters. Open it from the menu Progress → Quest Journal.

How it works#

  1. The page shows the quests available to your class and level (regular level + master), grouped by chapter.
  2. Click Accept. You can have up to 5 quests in progress.
  3. Complete the objective. The bar shows your progress.
  4. Click Complete and get the reward: EXP, zen, Gens contribution and items (items arrive in the Gremory Case).

Some quests are daily: they come back the next day (Brasília time). Others come back after a few hours, and some only show up on certain days of the week.

Objective types#

  • Hunt: defeat a specific monster on the given map. The same monster on another map does not count.
  • Map conquest: defeat any monster on the map until the count is done.
  • Item: gather the item and hand it in. It is used up when you complete the quest.
  • Events: win Chaos Castle, defeat monsters or players inside it, clear Blood Castle, bring down the Blood Castle gate, finish a Devil Square standing or score a number of points in a single Devil Square.
  • Level: reach a level.
  • Request: story steps (talking to the NPC). Just complete them.

The player who lands the last hit on the monster gets the count.

Chapters#

First steps, Chaos Castle, Blood Castle, Devil Square, Heroic qualities, Merchant Zyro, The call from Acheron, Deleting memory, Last chance, Map conquest, Gens requests and hunts, and Hunts across the continent.