Acheron
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Acheron is a mysterious island, near the coasts of MU, riddled with unique elemental monsters. NPC Deruvish, whom can be found camping in Acheron, came here with members of Vanert in search of Secromicon Fragments. The elemental monsters were far too strong, forcing Vanert to flee. However, Deruvish stayed behind on the island to help research the area and learn how to fight these elemental creatures. If you speak with him, he will offer you all the knowledge and guidance you will need to survive in Acheron!

Quick Facts
  • Requires character level 300 to enter.
  • Recommended for characters level 300 ~ 440.
  • Monsters deal Elemental DMG, so you'll need a Pentagram!
  • Valued monster drops:
    • Normal / Rare Pentagrams
    • Bless / Soul / Life / Creation
    • Excellent items
  • Valued boss drops:
    • Normal / Rare Pentagrams
    • Bless / Soul / Life / Creation
    • Excellent items
Debenter
Hot Spots #
Hunting in an area with more monster spots can increase your character's monster kills per sec! Check the map below to know the best hunting spots! You can click each spot to check which monsters spawn at it.
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Monster List #
The following monsters only spawn in the Alkmar area.
Monster level 88
  • Health: 29,000
  • ATK DMG: 408 ~ 443
  • ELE DMG: 318 ~ 342
  • ATK Rate: 587
  • DEF: 315
  • ELE DEF: 216
  • DEF Rate: 195
*Data generated 12/09/2022 © muonlinefanz.com
Monster level 91
  • Health: 32,000
  • ATK DMG: 435 ~ 465
  • ELE DMG: 345 ~ 358
  • ATK Rate: 550
  • DEF: 340
  • ELE DEF: 245
  • DEF Rate: 185
*Data generated 12/09/2022 © muonlinefanz.com
Monster level 93
  • Health: 33,000
  • ATK DMG: 455 ~ 510
  • ELE DMG: 365 ~ 389
  • ATK Rate: 590
  • DEF: 370
  • ELE DEF: 277
  • DEF Rate: 220
*Data generated 12/09/2022 © muonlinefanz.com

The following monsters only spawn in the Ubaid area.
Monster level 99
  • Health: 35,000
  • ATK DMG: 520 ~ 555
  • ELE DMG: 385 ~ 417
  • ATK Rate: 750
  • DEF: 395
  • ELE DEF: 306
  • DEF Rate: 235
*Data generated 12/09/2022 © muonlinefanz.com
Monster level 101
  • Health: 37,500
  • ATK DMG: 540 ~ 575
  • ELE DMG: 422 ~ 446
  • ATK Rate: 830
  • DEF: 430
  • ELE DEF: 336
  • DEF Rate: 240
*Data generated 12/09/2022 © muonlinefanz.com
Monster level 103
  • Health: 38,500
  • ATK DMG: 570 ~ 600
  • ELE DMG: 456 ~ 481
  • ATK Rate: 860
  • DEF: 455
  • ELE DEF: 351
  • DEF Rate: 255
*Data generated 12/09/2022 © muonlinefanz.com
Boss Monster List #
The following monsters can spawn in either Ubaid or Alkmar area.
Monster level 113
  • Health: 14,000
  • ATK DMG: 590 ~ 635
  • ELE DMG: 458 ~ 485
  • ATK Rate: 960
  • DEF: 545
  • ELE DEF: 275
  • DEF Rate: 295
*Data generated 12/09/2022 © muonlinefanz.com
*immune to normal ATK DMG!
Monster level 113
  • Health: 11,000
  • ATK DMG: 600 ~ 630
  • ELE DMG: 467 ~ 483
  • ATK Rate: 1,020
  • DEF: 475
  • ELE DEF: 285
  • DEF Rate: 305
*Data generated 12/09/2022 © muonlinefanz.com
*immune to normal ATK DMG!
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Monster level 113
  • Health: 12,000
  • ATK DMG: 620 ~ 655
  • ELE DMG: 463 ~ 486
  • ATK Rate: 1,020
  • DEF: 515
  • ELE DEF: 305
  • DEF Rate: 315
*Data generated 12/09/2022 © muonlinefanz.com
*immune to normal ATK DMG!
Monster level 113
  • Health: 11,500
  • ATK DMG: 635 ~ 675
  • ELE DMG: 495 ~ 512
  • ATK Rate: 1,020
  • DEF: 475
  • ELE DEF: 325
  • DEF Rate: 315
*Data generated 12/09/2022 © muonlinefanz.com
*immune to normal ATK DMG!
Monster level 113
  • Health: 13,100
  • ATK DMG: 600 ~ 635
  • ELE DMG: 472 ~ 500
  • ATK Rate: 950
  • DEF: 495
  • ELE DEF: 290
  • DEF Rate: 315
*Data generated 12/09/2022 © muonlinefanz.com
*immune to normal ATK DMG!
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NPC List #
This is a list of all NPCs which are located in this map.
Jin
Jin
  • Merchant NPC
Jin sells general items like potions, arrows/bolts, Town Portal Scroll, Armor of Guardsman, and other miscellaneous things.
*Data generated 12/09/2022 © muonlinefanz.com
  • Quest NPC
Deruvish, a member of Vanert, has studied Acheron in much detail and has discovered how the monster's elemental abilities work. Speak with him to learn the basics of elem...
*Data generated 12/09/2022 © muonlinefanz.com
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  • Crafting NPC
Adniel can craft and upgrade Errtel items! She can also add and upgrade +Elemental Wing Option on Tier 4 Wings & Capes!
*Data generated 12/09/2022 © muonlinefanz.com
  • Quest NPC
Safety Guardian is a safe storage area where you can store valuable goods for a small Zen fee. This NPC is also known as the Vault.
*Data generated 12/09/2022 © muonlinefanz.com
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Notes & Tips #
  • This map can be entered via:
    • Warp command (costs Zen x50,000)
    • NPC Captain Sloth (costs Spirit Map)
  • This map has entrances to:
  • Disconnecting and changing servers will move your character to the map's safe-zone.
  • This map only includes the Alkmar and Ubaid areas of Acheron. When you enter Debenter, Nars, or Uruk Mountain, your character technically moves to an entirely different map in the game.
Acheron
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