MU Online Monster List

Browse the complete MU Online monster database — 506 monsters with full stats, elemental resistances, spawn locations, drop tables, and boss respawn timers. Use the search and filters below, click any map badge to see every monster in that zone, or jump to the Boss Monsters, Monsters by Map, or Farming Guide sections.

All MU Online Monsters — Complete Stats Database

10 monsters
Showing monsters in Tarkan
NameID ▲LevelHPDamageDefenseMapRegen
Iron Wheel578017 000280–330215TarkanTormented Square10s
Tantalus588322 000335–385250TarkanTormented Square10s
ZaikanBOSS599034 000510–590400TarkanTormented Square24h
Bloody Wolf607613 500260–300200TarkanTormented Square10s
Beam Knight618425 000375–425275TarkanTormented Square10s
Mutant627210 000250–280190TarkanTormented Square10s
Death Beam Knight639340 000590–650420TarkanTormented Square3m
Golden TantalosGOLDENBOSS829030 000450–560300TarkanTormented Square1m
Golden WheelGOLDENBOSS837715 000320–360230TarkanTormented Square1m
Golden GoblinGOLDENBOSS652100120 000100–200200AcheronAida+41h

Boss Monsters — Respawn Timers & Strategies

MU Online's boss monsters are high-HP world encounters with long respawn timers and valuable drop tables. Below are the 65 bosses in the current database, sorted by level — each with its respawn timer, recommended approach, and notable drops.

Golden Budge DragonLv 15
HP 2200Respawn 10mMap: Tormented Square

Recommended Level & Party

Recommended character level 17+. Can be soloed by a geared character.

Notable Drops

Box of Luck

Golden GoblinLv 20
HP 3100Respawn 10mMap: Noria

Recommended Level & Party

Recommended character level 22+. Can be soloed by a geared character.

Notable Drops

Box of Kundun +1

Golden RabbitLv 40
HP 3000Respawn 10sMap: Elbeland

Recommended Level & Party

Recommended character level 44+. Can be soloed by a geared character.

Notable Drops

Box of Kundun +1

Golden SoldierLv 46
HP 3500Respawn 20sMap: Devias

Recommended Level & Party

Recommended character level 51+. Can be soloed by a geared character.

Notable Drops

Box of Kundun +1

Ice QueenLv 52
HP 4000Respawn 24hMap: Devias

Recommended Level & Party

Recommended character level 57+. Can be soloed by a geared character.

Notable Drops

Double Axe, Tomahawk, Morning Star, Flail, Golden Crossbow, Elven Bow…

Illusion of Kundun 1Lv 52
HP 3000Respawn 3hMap: Kalima

Recommended Level & Party

Recommended character level 57+. Can be soloed by a geared character.

Notable Drops

Double Blade, Pad Armor, Leather Armor, Vine Armor, Robust Helmet, Robust Boots…

Golden TitanLv 53
HP 8000Respawn 20sMap: Devias

Recommended Level & Party

Recommended character level 58+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Box of Kundun +1

GorgonLv 55
HP 6000Respawn 24hMap: Dungeon

Recommended Level & Party

Recommended character level 61+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Elven Axe, Battle Axe, Light Crossbow, Serpent Sword, Sword of Salamander, Blade…

DragonLv 60
HP 15 000Respawn 2mMap: Tormented Square

Recommended Level & Party

Recommended character level 66+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Legendary Sword, Double Blade, Nikea Axe, Larkan Axe, Great Hammer, Berdysh…

Golden Dark KnightLv 60
HP 5000Respawn 10sMap: Dungeon

Recommended Level & Party

Recommended character level 66+. Can be soloed by a geared character.

Notable Drops

Box of Kundun +1

Golden VeparLv 61
HP 6300Respawn 8sMap: Atlans

Recommended Level & Party

Recommended character level 67+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Box of Kundun +2

Illusion of Kundun 2Lv 65
HP 6000Respawn 3hMap: Kalima

Recommended Level & Party

Recommended character level 72+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Scale Helm, Scale Armor, Scale Gloves, Scale Pants, Scale Boots, Violent Wind Helm…

BalrogLv 66
HP 9000Respawn 24hMap: Lost Tower

Recommended Level & Party

Recommended character level 73+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Nikea Axe, Larkan Axe, Great Hammer, Tiger Bow, Serpent Crossbow, Silver Bow…

Golden DevilLv 72
HP 10 000Respawn 10sMap: Lost Tower

Recommended Level & Party

Recommended character level 79+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Box of Kundun +2

HydraLv 74
HP 19 000Respawn 24hMap: Atlans

Recommended Level & Party

Recommended character level 81+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Crescent Axe, Crystal Morning Star, Bluewing Crossbow, Aquagold Crossbow, Giant Sword, Heliacal Sword…

Golden WheelLv 77
HP 15 000Respawn 1mMap: Tarkan

Recommended Level & Party

Recommended character level 85+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Box of Kundun +3

Golden DerkonLv 80
HP 23 000Respawn 5sMap: Devias

Recommended Level & Party

Recommended character level 88+. A full party is strongly advised for this high-HP boss.

Notable Drops

Box of Kundun +1 – Box of Kundun +3

Illusion of Kundun 3Lv 81
HP 14 000Respawn 3hMap: Kalima

Recommended Level & Party

Recommended character level 89+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Spirit Helm, Spirit Gloves, Spirit Pants, Spirit Boots, Plate Helm, Plate Armor…

Golden Lizard KingLv 83
HP 25 000Respawn 15sMap: Atlans

Recommended Level & Party

Recommended character level 91+. A full party is strongly advised for this high-HP boss.

Notable Drops

Box of Kundun +2

Golden Stone GolemLv 84
HP 25 000Respawn 20sMap: Aida

Recommended Level & Party

Recommended character level 92+. A full party is strongly advised for this high-HP boss.

Notable Drops

Box of Kundun +3

Death KingLv 88
HP 30 000Respawn 24hMap: Lorencia

Recommended Level & Party

Recommended character level 97+. A full party is strongly advised for this high-HP boss.

Notable Drops

Elemental Mace, Saint Crossbow, Celestial Bow, Sword of Destruction, Dark Breaker, Thunder Blade…

ZaikanLv 90
HP 34 000Respawn 24hMap: Tarkan

Recommended Level & Party

Recommended character level 99+. A full party is strongly advised for this high-HP boss.

Notable Drops

Great Reign Crossbow, Albatross Bow, Dragon Soul Staff, Staff of Kundun, Shining Scepter, Sword Dancer…

Golden TantalosLv 90
HP 30 000Respawn 1mMap: Tarkan

Recommended Level & Party

Recommended character level 99+. A full party is strongly advised for this high-HP boss.

Notable Drops

Box of Kundun +3

Power ChickenLv 90
HP 10 000Respawn 10sMap: Lorencia

Recommended Level & Party

Recommended character level 99+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Jewel of Chaos, Jewel of Bless, Jewel of Soul, Jewel of Life, Jewel of Creation, Jewel of Guardian…

Golden CrustLv 92
HP 34 500Respawn 10sMap: Icarus

Recommended Level & Party

Recommended character level 101+. A full party is strongly advised for this high-HP boss.

Notable Drops

Box of Kundun +3

Illusion of Kundun 4Lv 100
HP 50 000Respawn 3hMap: Kalima

Recommended Level & Party

Recommended character level 110+. A full party is strongly advised for this high-HP boss.

Notable Drops

Eclipse Helm, Eclipse Armor, Eclipse Gloves, Eclipse Pants, Eclipse Boots, Iris Helm…

Golden GoblinLv 100
HP 120 000Respawn 1hMap: Acheron

Recommended Level & Party

Recommended character level 110+. A full party is strongly advised for this high-HP boss.

Notable Drops

Titan's Anger, Jewel of Bless, Jewel of Soul, Jewel of Life, Jewel of Chaos, Jewel of Creation…

Golden SatyrosLv 108
HP 95 000Respawn 3mMap: Kanturu

Recommended Level & Party

Recommended character level 119+. A full party is strongly advised for this high-HP boss.

Notable Drops

Box of Kundun +4

Golden TitanLv 110
HP 400 000Respawn 0sMap: Tormented Square

Recommended Level & Party

Recommended character level 121+. A full party is strongly advised for this high-HP boss.

Notable Drops

Tantalose's Punishment, Jewel of Bless, Jewel of Soul, Jewel of Life, Jewel of Chaos, Jewel of Creation…

Golden NapinLv 112
HP 77 000Respawn 10sMap: Swamp of Calmness

Recommended Level & Party

Recommended character level 123+. A full party is strongly advised for this high-HP boss.

Notable Drops

Box of Kundun +5

UndineLv 113
HP 11 100Respawn 1hMap: Acheron

Recommended Level & Party

Recommended character level 124+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Mithril, Spirit Powder, Iron Shield of the Magic

SalamanderLv 113
HP 10 000Respawn 1hMap: Acheron

Recommended Level & Party

Recommended character level 124+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Mithril, Spirit Powder, Brave Hero Elixir

SylphidLv 113
HP 9500Respawn 1hMap: Acheron

Recommended Level & Party

Recommended character level 124+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Mithril, Spirit Powder, Merciless Gladiator's Dagger

GnomeLv 113
HP 12 000Respawn 1hMap: Acheron

Recommended Level & Party

Recommended character level 124+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Mithril, Spirit Powder, Iron Shield of the Magic

HellraiserLv 113
HP 9000Respawn 1hMap: Acheron

Recommended Level & Party

Recommended character level 124+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Mithril, Spirit Powder, Thoughtful Sage's Jewel, Brave Hero Elixir

Golden TantalosLv 115
HP 800 000Respawn 0sMap: Tormented Square

Recommended Level & Party

Recommended character level 127+. A full party is strongly advised for this high-HP boss.

Notable Drops

Jewel of Bless, Jewel of Soul, Jewel of Life, Jewel of Chaos, Jewel of Creation, Jewel of Harmony…

Illusion of Kundun 5Lv 117
HP 100 000Respawn 3hMap: Kalima

Recommended Level & Party

Recommended character level 129+. A full party is strongly advised for this high-HP boss.

Notable Drops

Necklace of Agony, Solid Symbol, Elemental Mace, Saint Crossbow, Celestial Bow, Sword of Destruction…

SellihodenLv 119
HP 12 210Respawn 1hMap: Acheron

Recommended Level & Party

Recommended character level 131+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Kundun's Madness Blade, Kundun's Magic Spell Scroll, Empire Guardians' Stronghold, Ancient Icarus Scroll

UkanvaLv 119
HP 11 000Respawn 1hMap: Acheron

Recommended Level & Party

Recommended character level 131+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Kundun's Madness Blade, Kundun's Magic Spell Scroll, Empire Guardians' Stronghold, Ancient Icarus Scroll

SillaLv 119
HP 10 450Respawn 1hMap: Acheron

Recommended Level & Party

Recommended character level 131+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Kundun's Madness Blade, Kundun's Magic Spell Scroll, Empire Guardians' Stronghold, Ancient Icarus Scroll

NormusLv 119
HP 13 200Respawn 1hMap: Acheron

Recommended Level & Party

Recommended character level 131+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Kundun's Madness Blade, Kundun's Magic Spell Scroll, Empire Guardians' Stronghold, Ancient Icarus Scroll

MuffLv 119
HP 10 800Respawn 1hMap: Acheron

Recommended Level & Party

Recommended character level 131+. A small party or a well-geared solo character can handle this boss.

Notable Drops

Kundun's Madness Blade, Kundun's Magic Spell Scroll, Empire Guardians' Stronghold, Ancient Icarus Scroll

Golden ErohimLv 120
HP 1 200 000Respawn 0sMap: Tormented Square

Recommended Level & Party

Recommended character level 132+. A full party is strongly advised for this high-HP boss.

Notable Drops

Jewel of Bless, Jewel of Soul, Jewel of Life, Jewel of Chaos, Jewel of Creation, Jewel of Harmony…

Golden Hell MaineLv 125
HP 3 000 000Respawn 0s

Recommended Level & Party

Recommended character level 138+. A full party is strongly advised for this high-HP boss.

Notable Drops

Jewel of Bless, Jewel of Soul, Jewel of Life, Jewel of Chaos, Jewel of Creation, Jewel of Harmony…

ErohimLv 128
HP 3 000 000Respawn 12hMap: Land of Trials

Recommended Level & Party

Recommended character level 141+. A full party is strongly advised for this high-HP boss.

Notable Drops

Sword of Destruction, Great Scepter, Dragon Spear, Saint Crossbow, Celestial Bow, Dragon Soul Staff…

Golden Twin TailLv 130
HP 145 000Respawn 10sMap: Kanturu Remain

Recommended Level & Party

Recommended character level 143+. A full party is strongly advised for this high-HP boss.

Notable Drops

Box of Kundun +4

Illusion of Golden KundunLv 130
HP 5 000 000Respawn 0s

Recommended Level & Party

Recommended character level 143+. A full party is strongly advised for this high-HP boss.

Notable Drops

Jewel of Bless, Jewel of Soul, Jewel of Life, Jewel of Chaos, Jewel of Creation, Jewel of Harmony

Dark ElfLv 135
HP 1 500 000Respawn 10sMap: Crywolf

Recommended Level & Party

Recommended character level 149+. A full party is strongly advised for this high-HP boss.

Notable Drops

Staff of Resurrection, Crystal Morning Star, Master Scepter, Aquagold Crossbow, Crystal Sword, Dragon Helm…

BalgassLv 135
HP 500 000Respawn 10sMap: Crywolf

Recommended Level & Party

Recommended character level 149+. A full party is strongly advised for this high-HP boss.

Notable Drops

Sword of Destruction, Great Scepter, Dragon Spear, Saint Crossbow, Celestial Bow, Staff of Destruction…

NightmareLv 135
HP 1 500 000Respawn 10sMap: Kanturu Relics

Recommended Level & Party

Recommended character level 149+. A full party is strongly advised for this high-HP boss.

Notable Drops

Sword of Destruction, Dragon Spear, Staff of Resurrection, Dragon Soul Staff, Great Scepter, Rune Blade…

Maya HandLv 135
HP 400 000Respawn 10sMap: Kanturu Relics

Recommended Level & Party

Recommended character level 149+. A full party is strongly advised for this high-HP boss.

Notable Drops

Lighting Sword, Legendary Staff, Aquagold Crossbow, Saint Crossbow, Master Scepter, Crystal Morning Star…

Maya HandLv 135
HP 350 000Respawn 10sMap: Kanturu Relics

Recommended Level & Party

Recommended character level 149+. A full party is strongly advised for this high-HP boss.

Notable Drops

Lighting Sword, Legendary Staff, Aquagold Crossbow, Saint Crossbow, Master Scepter, Crystal Morning Star…

Illusion of Kundun 6Lv 140
HP 140 000Respawn 3hMap: Kalima

Recommended Level & Party

Recommended character level 154+. A full party is strongly advised for this high-HP boss.

Notable Drops

Great Reign Crossbow, Albatross Bow, Rune Blade, Dark Breaker, Thunder Blade, Piercing Blade Glove…

Great Golden DragonLv 142
HP 95 000Respawn 10sMap: Kanturu

Recommended Level & Party

Recommended character level 156+. A full party is strongly advised for this high-HP boss.

Notable Drops

Box of Kundun +4 – Box of Kundun +5

SelupanLv 145
HP 4 800 000Respawn 10sMap: Raklion Boss

Recommended Level & Party

Recommended character level 160+. A full party is strongly advised for this high-HP boss.

Notable Drops

Blast Break, Horn of Steal, Staff of Destruction, Dragon Soul Staff, Lighting Sword, Sword of Destruction…

Golden Iron KnightLv 145
HP 200 000Respawn 10sMap: Raklion

Recommended Level & Party

Recommended character level 160+. A full party is strongly advised for this high-HP boss.

Notable Drops

Box of Kundun +5

Red DragonLv 147
HP 500 000Respawn 1hMap: Tormented Square

Recommended Level & Party

Recommended character level 162+. A full party is strongly advised for this high-HP boss.

Illusion of KundunLv 147
HP 5 000 000Respawn 12hMap: Kalima

Recommended Level & Party

Recommended character level 162+. A full party is strongly advised for this high-HP boss.

Notable Drops

Sword of Destruction, Great Scepter, Dragon Spear, Saint Crossbow, Celestial Bow, Staff of Destruction…

MedusaLv 175
HP 7 800 000Respawn 10sMap: Swamp of Calmness

Recommended Level & Party

Recommended character level 193+. A full party is strongly advised for this high-HP boss.

Notable Drops

Brass Boots, Brass Gloves, Brass Pants, Brass Armor, Spirit Helm, Legendary Boots…

Lord SilvesterLv 180
HP 8 000 000Respawn 24hMap: Acheron

Recommended Level & Party

Recommended character level 198+. A full party is strongly advised for this high-HP boss.

Notable Drops

Lazy Wind Shield, Light Lord Shield, Dark Devil Shield, Magic Knight Shield, Ambition Shield, Succubus Helm…

Core MagriffyLv 190
HP 9 750 000Respawn 24hMap: Acheron

Recommended Level & Party

Recommended character level 209+. A full party is strongly advised for this high-HP boss.

Notable Drops

Iron Shield of the Magic, Hero Elixir, Gladiator's Dagger, Repen, Pawn, Griffs…

Lord of FereaLv 190
HP 25 000 000Respawn 24hMap: Ferea

Recommended Level & Party

Recommended character level 209+. A full party is strongly advised for this high-HP boss.

Notable Drops

Arca's Prophecy, Antonia's Sword, Kundun's Seal Scroll, Brave Hero Elixir, Gladiator's Dagger, Merciless Gladiator's Dagger…

NixLv 190
HP 30 000 000Respawn 24hMap: Nixie Lake

Recommended Level & Party

Recommended character level 209+. A full party is strongly advised for this high-HP boss.

Notable Drops

Runedil's Goldentune Harp, Lemuria's Orb, Holyangel Knight Helm, Holyangel Wizard Helm, Holyangel Elf Helm (A), Holyangel Summoner Helm…

Deep Dungeon GorgonLv 300
HP 1 122 758Respawn 24hMap: DeepDungeon

Recommended Level & Party

Recommended character level 330+. A full party is strongly advised for this high-HP boss.

Notable Drops

Elemental Mace, Celestial Bow, Great Reign Crossbow, Rune Blade, Dark Breaker, Vis Lance…

God of DarknessLv 300
HP 30 000 000Respawn 24hMap: Swamp of Darkness

Recommended Level & Party

Recommended character level 330+. A full party is strongly advised for this high-HP boss.

Notable Drops

Awakening Soul Knight Helm, Awakening Soul Wizard Helm, Awakening Soul Elf Helm (A), Awakening Soul Summoner Helm, Awakening Soul Lord Helm, Awakening Soul Fighter Helm…

Monsters by Map & Spawn Location

Every hunting zone in MU Online has its own set of monsters scaled to a level range. Find the right grinding spot by browsing monsters per map below, or click any map badge in the table above to filter instantly.

Kanturu Boss Open Monsters

Kanturu Remain Monsters

Nixie Lake Monsters

Old Kethotum Monsters

Swamp of Destruction Monsters

Kanturu Ruins Monsters

Kanturu Relics Monsters

Monster Farming Guide by Level

Each MU Online map has a character level you must reach before you can enter it. This guide groups the hunting zones by that access level, so you always know where you can grind next.

Character Level 1–50

Early progression. Starter zones you can enter from level 1–50 — solo-friendly for every class while you learn your rotation.

  • Lorencia (unlocks at Lv 1) — 12 monsters, levels 2–90.
  • Elbeland (unlocks at Lv 1) — 9 monsters, levels 2–48.
  • Noria (unlocks at Lv 1) — 12 monsters, levels 2–87.
  • Crywolf (unlocks at Lv 1) — 13 monsters, levels 97–137.
  • Devias (unlocks at Lv 15) — 8 monsters, levels 20–87.
  • Blood Castle (unlocks at Lv 15) · Requires a Blood Bone / Invitation — 37 monsters, levels 56–140.
  • Devil Square (unlocks at Lv 15) · Requires a Devil’s Invitation — 12 monsters, levels 97–380.
  • Dungeon (unlocks at Lv 20) — 16 monsters, levels 19–62.
  • Vulcanus (unlocks at Lv 20) — 12 monsters, levels 90–124.
  • Lost Tower (unlocks at Lv 40) — 7 monsters, levels 47–64.
  • Kalima (unlocks at Lv 40) — 49 monsters, levels 17–135.
  • Chaos Castle (unlocks at Lv 40) · Requires an Armor of Guardsman — 14 monsters, levels 54–196.

Character Level 51–150

Mid game. Atlans, Tarkan and Aida open up; ranged and AoE classes clear these packs fastest.

  • Atlans (unlocks at Lv 60) — 6 monsters, levels 43–70.
  • Tarkan (unlocks at Lv 130) — 6 monsters, levels 72–93.
  • Aida (unlocks at Lv 130) — 10 monsters, levels 72–120.

Character Level 151–300

Late game. Icarus, Kanturu and Raklion — most players farm here in small parties for shared experience.

  • Icarus (unlocks at Lv 160) — 8 monsters, levels 75–108.
  • Kanturu (unlocks at Lv 160) — 12 monsters, levels 80–129.
  • Kanturu Ruins (unlocks at Lv 160) — 3 monsters, levels 117–119.
  • Karutan (unlocks at Lv 160) — 8 monsters, levels 99–120.
  • Illusion Temple (unlocks at Lv 220) — 15 monsters, levels 65–87.
  • Illussion Temple League (unlocks at Lv 220) — 6 monsters, levels 65–72.
  • Raklion (unlocks at Lv 280) — 9 monsters, levels 102–148.

Character Level 301–600

Endgame. High-tier zones requiring strong gear, elemental damage and resistance management.

  • Doppelganger (unlocks at Lv 380) — 8 monsters, levels 105–105.
  • Swamp of Calmness (unlocks at Lv 400) — 14 monsters, levels 6–141.
  • Acheron (unlocks at Lv 400) — 21 monsters, levels 2–127.
  • Tormented Square (unlocks at Lv 400) — 117 monsters, levels 2–135.
  • Land of Trials (unlocks at Lv 400) — 5 monsters, levels 75–102.
  • Balgass Barracks (unlocks at Lv 400) — 3 monsters, levels 117–119.
  • Balgass Refuge (unlocks at Lv 400) — 3 monsters, levels 118–128.
  • Ferea (unlocks at Lv 400) — 5 monsters, levels 121–130.

Character Level 600+

Master/Majestic tier. The deepest maps, best run in coordinated parties with optimized builds.

  • Nixie Lake (unlocks at Lv 630) — 3 monsters, levels 192–194.
  • Old Kethotum (unlocks at Lv 700) — 3 monsters, levels 195–195.
  • DeepDungeon (unlocks at Lv 730) — 10 monsters, levels 170–275.
  • Swamp of Darkness (unlocks at Lv 800) — 9 monsters, levels 118–275.
  • Kubera Mine Area (unlocks at Lv 850) — 7 monsters, levels 380–400.
  • Abyss of Atlas (unlocks at Lv 900) — 8 monsters, levels 410–530.
  • Scorched Canyon (unlocks at Lv 1000) — 7 monsters, levels 127–550.
  • Red Smoke Icarus (unlocks at Lv 1050) — 7 monsters, levels 490–515.
  • Arenil Temple (unlocks at Lv 1100) — 7 monsters, levels 135–530.
  • Ashy Aida (unlocks at Lv 1150) — 6 monsters, levels 550–560.
  • Blaze Kethotum (unlocks at Lv 1200) — 6 monsters, levels 650–660.
  • Kanturu Undergrounds (unlocks at Lv 1250) — 6 monsters, levels 615–620.
  • Ignis Volcano (unlocks at Lv 1300) — 6 monsters, levels 750–760.
  • Bloody Tarkan (unlocks at Lv 1350) — 7 monsters, levels 800–810.
  • Tormenta Island (unlocks at Lv 1400) — 6 monsters, levels 850–860.
  • Twisted Karutan (unlocks at Lv 1450) — 6 monsters, levels 900–910.
  • Kardamahal Underground Temple (unlocks at Lv 1500) — 9 monsters, levels 950–1010.
  • Swamp of Destruction (unlocks at Lv 1550) — 3 monsters, levels 1000–1000.
  • Aquila's Temple (unlocks at Lv 1600) — 6 monsters, levels 1150–1160.

Frequently Asked Questions

How many monsters are in MU Online?

The current MU Online monster database contains 506 monsters across Normal, Elite, and Boss categories — each with full stats, elemental resistances, spawn maps, and drop tables.

Where can I find boss respawn times?

Boss respawn timers are listed in the Boss Monsters section above and in the Regen column of the main table, and are filterable using the Boss category tab.

What are elemental monster weaknesses in MU Online?

Each monster has Ice, Poison, Lightning, and Fire resistance values shown in its expanded detail row. Higher values mean the monster takes less damage from that element, so match your attack element against a monster's lowest resistance.