MU Season 21

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MU SEASON 21 UPDATE 1

2nd Legendary Gear New Server "Idavoll"

Event Period : 2026.08.11 ~ 2026.09.01 Before Maintenance (UTC)

MU SEASON 21 UPDATE 1

  • 2nd Legendary Set Weapon

    Ancestral Imperial Set

    The 2nd Legendary gear added,
    upgradable from 1st Legendary Weapons!

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  • 2nd Legendary Set Armor

    Ancestral Imperial Set

    The 2nd Legendary gear added,
    upgradable from 1st Legendary Armor!

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  • 2nd Legendary Set Armor

    Ancestral Imperial Set

    The 2nd Legendary gear added,
    upgradable from 1st Legendary Armor!

    slide1
More Details

MU SEASON 21 UPDATE 2

The Corrupted Temple of a Distorted Faith

Sanctuary of Aquilas

As its name suggests, the Sanctuary of Aquilas was a temple built by the Kanturu people to worship the 'Eagle God’.
With technology more advanced than other civilizations, they constructed a grand temple boasting splendor,
where worship and sacrifices were actively performed.

Initially, pure faith was maintained, and ordinary sacrifices such as sheep and cattle were offered.
However, when the world became unstable due to the infiltration of Kundun, the faith became corrupted,
and as experimental subjects with impure souls created by the Kanturians were offered as sacrifices,
unknown energies began to accumulate in the temple.

Upon discovering that there was usable energy, Kundun's subordinate infiltrated the temple and opened a dimensional gate.
Through the opened gate, he summoned a legion of the Eagle Phantom Tribe from another dimension,
who killed all the Kanturians in the temple and completely took over the temple.

The Kanturians regarded the Eagle Legion as gods and were unable to fight back, only suffering defeat.
When the place became inaccessible to humans, they sealed the entrance using sealing magic,
and after a long time, the seal weakened and the sanctuary was revealed to the world.

Mastery equipment crafter Priest James now sends the heroes of the continent to the Sanctuary of Aquilas
to further enhance the abilities of the heroes who will stand against Kundun.

New Area Entrance Route

Entry level : 1,600

Farming Penalty Level : 1,650

Entrance : Portal located at Kanturu Ruins (124, 171)

New Monsters

  • Aquila Warrior

  • Aquila Gunner

  • Aquila Magician

MU SEASON 21 UPDATE 3

Character Max Level Expansion

Character’s Max Level has been expanded from Lv.1700 to Lv.1750
Upon reaching Lv.1700 before the next season,
the Season Level Reward can be acquired!

※ The previous Season Level Reward (Lv.1650) can also be obtained once reaching the corresponding level.

CELEBRATION EVENT 1

Max Character Level Up to Lv.1750

"Crusader" Muun

Season Level Reward

Event Period: 2026.08.11 ~ Until the next max level expansion

Event Content: Upon Reaching Lv.1700, Season Level Reward is sent to Gremory Case.

Season Level Reward (Lv. 1700)

Ability

When equipped with Muun, Elemental DEF +10

Special Ability

For 30 days after receiving the Muun, Ability x 20

How to Claim

Upon reaching Lv. 1700 within the Season, the Season Level Reward will be sent to Gremory Case.
Throw the 'Season Level Reward Box' to receive a Crusader Muun.

  • Season Level Reward will be sent to Gremory Case (Hotkey K) and must be claimed within 30 Days.
  • Season Level Reward redeemed from the Gremory Case expires after 14 days.

CELEBRATION EVENT 2

Newly Opened Hunting Area

Assemble, Warriors!Sanctuary of Aquilas

Event Period : 2026.08.11 ~ 2026.09.01 Before Maintenance (UTC)

Collect ‘Elemental Symbols’ from the elemental monster in the Sanctuary of Aquilas
and combine them into Superior Pentagram and Mastery Parts

  • STEP
    01

    Upon killing monsters from the Sanctuary of Aquilas,
    Elemental Symbol of various types will drop
    (Fire/Water/Earth/Wind/Darkness).

  • STEP
    02

    Go to NPC Lahap (Elveland (37,241))
    and use the Symbol Combination to combine
    the Elemental Symbols to acquire the Elemental Box.

    NPC Lahap
    (37,241)

Reward List

  • Talisman Element Change
  • Bless of Light (Greater)
  • Ruud Box (400,800,1000)
  • Elemental Rune
  • Bloodangel Soul
  • Thoughtful Sage's Jewel
  • Kundun's Madness Blade
  • Kundun’s Magic Spell Scroll
  • Empire Guardians’ Stronghold
  • Ancient Icarus Scroll
  • Runedil’s Goldentune Harp
  • Lemuria’s Orb
  • Norrwen‘s Bloodstring Lyra
  • Errtel (Rank 1 Level 5)
  • Errtel Emblem
  • Pentagram Emblem
  • Sealed Bloodangel Armor
  • Kundun’s Seal Scroll
  • Arca’s Prophecy
  • Antonia’s Sword
  • Excellent Socket Necklace
  • Elemental Symbols that you’ve acquired can be found in the event inventory and up to 5 Symbols can be stacked.
  • Elemental Symbols cannot be traded through personal shops, stored in the warehouse, or disposed of (But the tokens can be sold to the shop).
  • If you do not have enough inventory space, you cannot combine the Element Boxes. (Element Box Size: 1X1)

CELEBRATION EVENT 3

EXP Boost Event

Event Period : 2026.08.11 ~ 2026.09.01 Before Maintenance (UTC)

Do NOT miss out on the opportunity to get extra experience!

1. EXP increased by 30%

During 21:00 ~ 03:00 (UTC), get 30% extra EXP by hunting monsters.

2. Monster HP decreased by 20%

During the event period, monsters’ HP will be decreased by 20% for full time.

CELEBRATION EVENT 4

Mastery EquipmentEnhancement Event

Event Period : 2026.08.11 ~ 2026.09.01 Before Maintenance (UTC)

During the event period, 1st Mastery Equipment (Bloodangel weapon/armor)
do NOT disappear after the enhancement fails until +11.

  • Non-Event Period

    When +9 ~ +11 enhancement fails,
    the target item disappears

  • Event Period

    When +9 ~ +11 enhancement fails,
    the target item does NOT disappear
    (Enhancement Level Reset)

* The event applies only to 1st Mastery Bloodangel weapon/armor purchased with ruud.

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