MU SEASON 20

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MU Season 20 3rd Update

Event Period: 2025.09.09 After Maintenance ~ 2025.09.30 Before Maintenance (UTC)

UPDATE 1

Power Beyond Mastery

Legendary Grade Weapons & Armor

  • New 'Legendary' gear added, a higher tier of Mastery items,
    upgradable from Mastery Tier 10 weapons and armor!

    • Legendary
      Helm (Male)

    • Legendary
      Armor (Male)

    • Legendary
      Pants (Male)

    • Legendary
      Gloves (Male)

    • Legendary
      Boots (Male)

    • Legendary
      Helm (Male)

    • Legendary
      Armor (Male)

    • Legendary
      Pants (Male)

    • Legendary
      Gloves (Male)

    • Legendary
      Boots (Male)

    • Legendary
      Helm (Male)

    • Legendary
      Armor (Male)

    • Legendary
      Pants (Male)

    • Legendary
      Gloves (Male)

    • Legendary
      Boots (Male)

  • New 'Legendary' gear added, a higher tier of Mastery items,
    upgradable from Mastery Tier 10 weapons and armor!

    • Legendary
      Helm (Female)

    • Legendary
      Armor (Female)

    • Legendary
      Pants (Female)

    • Legendary
      Pants (Female)

    • Legendary
      Gloves (Female)

    • Legendary
      Boots (Female)

    • Legendary
      Helm (Female)

    • Legendary
      Armor (Female)

    • Legendary
      Pants (Female)

    • Legendary
      Gloves (Female)

    • Legendary
      Boots (Female)

    • Legendary
      Helm (Female)

    • Legendary
      Armor (Female)

    • Legendary
      Pants (Female)

    • Legendary
      Gloves (Female)

    • Legendary
      Boots (Female)

  • New 'Legendary' gear added, a higher tier of Mastery items,
    upgradable from Mastery Tier 10 weapons and armor!

    • Legendary
      Mace

    • Legendary
      Sword

    • Legendary
      Bow

    • Legendary
      Staff

    • Legendary
      Stick

    • Legendary
      Book

    • Legendary
      Quiver

    • Legendary
      Scepter

    • Legendary
      Magic Sword

    • Legendary
      Lance

    • Legendary
      Claw

    • Legendary
      Short Sword

    • Legendary
      Gun

    • Legendary Magic
      Two-handed Sword

    • Legendary
      Orb

    • Legendary
      Blade

    • Legendary
      Magic Book

    • Legendary
      Shield

    • Legendary
      Fairy Shield

    • Legendary
      Wand

    • Legendary
      Elixir

  • Legendary gear exclusive SET options are added

EVENT 1

Challenge The Elite Zone in
"Kardamahal Underground Temple"

Event Period2025.09.09 After Maintenance ~ 2025.09.30 Before Maintenance (UTC)

During the event period, the drop rate of special items ONLY available
in the Kardamahal Underground Temple Elite Zone will be doubled.

  • Uriel's Feather

  • Guardian Elite Option
    Conversion Fragment

  • Sealed Armor
    Fragment

  • Golden Crest

  • Elite Guardian
    Upgrade Stone

  • Garuda's Flame

  • Jewel of Harmony

During the event period, monster HP in the Kardamahal Underground Temple will be
decreased by 20% and MIN/MAX Elemental Attack will be decreased by 20%.

EVENT 2

Maze of Dimensions Double Up

Event Period2025.09.09 After Maintenance ~ 2025.09.30 Before Maintenance (UTC)

During the event period, Maze of Dimensions rewards will be doubled.

Maze of Dimensions
Clear Reward

Maze of Dimensions
League Reward

Maze of Dimensions monster EXP Boost Event

During the event period, Maze of Dimensions monsters hunting
EXP will be increased by 30%.

Attention
  • Event rewards will not be distributed if abnormal or abusive gameplay is detected.

  • Maze of Dimensions Clear Reward and League Reward will be acquired through the Gremory Case(Hot Key K)

  • Unused event rewards in the Gremory Case will be deleted after 7 days.

  • The first league will be closed with the maintenance on 2025.09.30, and you must log-in within 7 days of the closing date to receive the league reward.

EVENT 3

Event Maps Double Up

Event Period2025.09.09 After Maintenance ~ 2025.09.30 Before Maintenance (UTC)

During the event period, Chaos Castle, Blood Castle, Group Boss Battle
and Devil Square rewards will be doubled.

Mastery Reward

Attention
  • Event rewards will not be distributed if abnormal or abusive gameplay is detected.

  • Chaos Castle, Blood Castle, Group Boss Battle Event, and Devil Square Reward will be acquired through the Gremory Case(Hot Key K)

  • Only the mastery box applies a double-up event.

  • Unused event rewards in the Gremory Case will be deleted after 7 days.

EVENT 4

Gemstone Drop Event

Event Period2025.09.09 After Maintenance ~ 2025.09.30 Before Maintenance (UTC)

During the event, gemstones dropped from monsters can be collected and refined into
Jewel of Harmony.

How to refine Gemstone to Jewel of Harmony

Step1. Gemstones can be obtained from monsters above level 90
during the event period

Step2. Refined from Elpis NPC in Elbeland(42, 246) as a Jewel of harmony

NPC Elpis

Elbeland(42, 246)

EVENT 5

Artifact Grade Upgrade Event

Event Period2025.09.09 After Maintenance ~ 2025.09.30 Before Maintenance (UTC)

During the event, Artifact can be upgraded through Chaos Goblin.