Acheron Quests
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Acheron, a mysterious island near the continent of Mu, has become riddled with strange elemental monsters. Deruvish, who is camping in Acheron, is researching the strange island with Vanert members in search of Secromicon Fragments. However, the elemental monsters were far too strong for them to handle, forcing his party to flee. Deruvish decided to stay behind, however, and continue the research on the strange island. He understands the basics of these strange elemental monsters that roam the island and is willing to teach them to anyone who can help him. By completing some of his requests, he will help guide you to conquering this island!


Quick Facts
  • You can start a quest from level 300.
  • You will need Muren's Book of Magic, which can be obtained by killing monsters in Atlans.
  • Speak to Deruvish to start a quest, located in Acheron @(29, 206).
  • Some quests can only be completed once, while others are repeatable.
  • In order to get repeatable quests, you must first complete a series of lore-based quests.
  • The repeatable quests have a character level restriction.
  • Your character level must fall within the level restriction to be able to accept a repeatable quest.
  • If your character level becomes greater than the level restriction, you will not be able to get the quest.
*you can check the quest log via hot-key [T].

Reward List:
Below is a list of all rewards earned from completing the lore-base quests.
  1. EXP (x2,200,000)
  2. Elemental Rune (x9)
  3. Errtel of Anger (x1)
  4. Errtel of Blessing (x1)
  • 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 06/04/2023 © muonlinefanz.com
Reward Notes:
  • The Errtel items' Elemental Type will be the same as the Muren's Book of Magic used to complete the first quest.

Game lore...
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Lore-based Quests
These quests can only be completed once and must be completed in the listed order. The repeatable quests become available after completing the lore-based quests listed below.
#1
The Only Survivor of the Adventurers
Task:
  1. Obtain item: Muren's Book of Magic x1
  2. Talk to Deruvish.
Reward:
  1. Elemental Rune x1
  2. EXP x200,000

Tip: the Muren's Book of Magic can be obtained by killing monsters in Atlans.
#2
Acheron's Mysterious Power Element
Task:
  1. Kill monster: Devil Fairy x20
  2. Talk to Deruvish.
Reward:
  1. Errtel of Anger x1
  2. EXP x200,000
#3
Errtel Item
Task:
  1. Obtain item: Mithril x1
  2. Talk to Deruvish.
Reward:
  1. Elemental Rune x1
  2. EXP x200,000
#4
Create Errtel
Task:
  1. Obtain item: Elemental Powder x1
  2. Talk to Deruvish.
Reward:
  1. Errtel of Blessing x1
  2. EXP x200,000

Tip: by disassembling Errtel items, you can obtain elemental powder. The disassemble button is located in the inventory window.
#5
Spirit Survivor Adniel
Task:
  1. Kill monster: Elemental Beast x20
  2. Talk to Deruvish.
Reward:
  1. Elemental Rune x1
  2. EXP x200,000
#6
Secrets of the Acheron Monsters
Task:
  1. Kill monster: Devil Fairy x30
  2. Talk to Deruvish.
Reward:
  1. Elemental Rune x1
  2. EXP x200,000
#7
Change of Acheron Island
Task:
  1. Kill monster: Elemental Beast x30
  2. Talk to Deruvish.
Reward:
  1. Elemental Rune x1
  2. EXP x200,000
#8
Ubaid's Gatekeeper
Task:
  1. Kill monster: Elemental Knight x30
  2. Talk to Deruvish.
Reward:
  1. Elemental Rune x1
  2. EXP x200,000
#9
Discovery of a New Clue
Task:
  1. Kill monster: Ubaid Devil Fairy x30
  2. Talk to Deruvish.
Reward:
  1. Elemental Rune x1
  2. EXP x200,000
#10
Eliminate Ubaid Elemental Beasts
Task:
  1. Kill monster: Ubaid Elemental Beast x30
  2. Talk to Deruvish.
Reward:
  1. Elemental Rune x1
  2. EXP x200,000
#11
Raid of Elemental Knights
Task:
  1. Kill monster: Ubaid Elemental Knight x30
  2. Talk to Deruvish.
Reward:
  1. Elemental Rune x1
  2. EXP x200,000
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Repeatable Quests
The repeatable quests become available after completing the series of lore-based quests. Your character level must fall within the level restrictions to be able to get a quest.
Level 301 ~ 330
Devil Fairy Elimination Order
Task:
  1. Kill monster: Devil Fairy x50
  2. Talk to Deruvish.
Reward:
  1. Zen x100,000
  2. EXP x400,000

(repeatable quest)
Level 331 ~ 360
Elemental Beast Elimination Order
Task:
  1. Kill monster: Elemental Beast x50
  2. Talk to Deruvish.
Reward:
  1. Zen x100,000
  2. EXP x400,000

(repeatable quest)
Level 361 ~ 400
Elemental Knight Elimination Order
Task:
  1. Kill monster: Elemental Knight x50
  2. Talk to Deruvish.
Reward:
  1. Zen x100,000
  2. EXP x400,000

(repeatable quest)
Level 400 ~ 420
Ubaid Devil Fairy Elimination Order
Task:
  1. Kill monster: Ubaid Devil Fairy x50
  2. Talk to Deruvish.
Reward:
  1. Zen x100,000
  2. EXP x600,000

Tip: if your character is level 400, you must have completed the 3rd Class Change quest to get this quest.
(repeatable quest)
Level 421 ~ 440
Ubaid Elemental Beast Elimination Order
Task:
  1. Kill monster: Ubaid Elemental Beast x50
  2. Talk to Deruvish.
Reward:
  1. Zen x100,000
  2. EXP x600,000

(repeatable quest)
Level 441+
Ubaid Elemental Knight Elimination Order
Task:
  1. Kill monster: Ubaid Elemental Knight x50
  2. Talk to Deruvish.
Reward:
  1. Zen x100,000
  2. EXP x600,000

(repeatable quest)
Page updated February 19, 2023 || b2022.12.18.002
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