F403 Wiki
Guides, systems, events, crafting knowledge, and server references.
Wiki Pages
Latest Guides
⚔️ Class Balance & Formulas
Complete class formula reference for attack speed, damage, defense, PvM, PvP, class buffs, and additional server balance modifiers.
⚜️Basics
🗺️Main Custom Quests
Complete list of Main Quest with Requirements and Rewards.
🧭Quests
🚀New characters boost!
All new characters created after 25.04.2026 will aquire this limited items on creation.
ℹ️Info
🌸Cherry Blossom Spirit
The goal of the event is to collect a certain amount of Cherry Blossom Branch to try your luck with...
🧵Crafting
🪽Creating Monster Wings Level 2.5
Learn how to create Monster Wings LV.2.5
🧵Crafting
💥New Custom Item Slots
New custom slots and accessories explained.
⚜️Basics
🐲Invasions
Here you can check the invasion monster name and the maps where it spawns.
⚜️Basics
🎬 How to create LV.5 Wings
Video guide showing how can you create LV.5 Wings.
🎬Video
🎬Golden Archer (Silver/Golden Box, ToL)
Exchange materials and boxes with the Golden Archer for special rewards.
🎬Video
Full Map Drop List
Complete drop list of every map!
🧺Drop
🛠️Changelogs - Update 0.0.7 - Low
The following changes have been applied to improve gameplay, balance, and the overall player experience.
🔄Updates
❤️Welcome to F403 MuOnline Low
GRAND OPENING — 15.03.2026 | 18:00 GMT+2
📢News
🪽Creating 2nd Level Wings
Learn how to create Wings LV.2
🧵Crafting
🪽Creating Wings Level 3
Learn how to create Wings LV.3
🧵Crafting
🔄Crafting Mix Success Rates and Info
Rates, items required, and all other informations.
🧵Crafting
🧌Mobs Database
All mobs of every map are listed here with all the detailes of it.
🧌Mobs
🌍Golden Invasion Info
Informations about golden invasion.
👽Invasions
📚NPC Adniel Crafting (Pentagrams and Errtels)
Check this guide if you want to learn everything about the craftings that can be done at NPC Adniel in Acheron map.
🧵Crafting
❓How obtain 50% EXP Bonus?
Get 50% EXP every time for FREE!
🧭Quests
❓How obtain Nixie's Shards?
If you want to get into Nix Invasion, you need Nixie's Shards to access it.
🧭Quests
🪄Custom Golden Archer
Check what golden archer in devias is capable to do!
🩵Systems🪽Creating 1st Level Wings
Learn how to create Wings LV.1
🧵Crafting
⚡Dynamic Experience Rates
The experience is dynamic, here you can check all the rates depending on your resets value.
💯Rates
💥How to use custom COMBO
All classes except Dark Lord, have custom combo, see this guide for all the info you need know how to use and activate the custom combo system.
🩵Systems
🌈Glow System (Change Color)
Learn how to use the glow system
🩵Systems
🧺[Drop] Orbs, Scrolls, Parchment
Check this guide if you want to know anything about the class spells drop.
🧺Drop
✴️BattlePass System
Everything you need to know about our BattlePass System.
🩵Systems
💎Custom Jewels Guide
Everything you need to know about our custom jewels and not only.
ℹ️Info
💀[Drop] Lord of Ferea
Lord of Ferea items drop.
🧺Drop
🎬How to create Summoner at LV.0
Video guide showing how can you create a Summoner class at Level 0.
🎬Video
💀[Drop] Selupan
Selupan items drop.
🧺Drop
💀[Drop] Medusa
Medusa items drop.
🧺Drop
📦Silver Box & Golden Box Content
Here you can find what's inside Silver and Golden boxes.
🧺Drop
🏰Guild Reign
Everything you need to know about getting control of a map thru Guild Reign system and the rewards.
🩵Systems
👑King of Mu
What is King of Mu event? Read this guide to fully understand how it works.
⭐In-Game Events
🔧Fix Transparent Interface In-Game
Complete guide step by step showing how to fix Transparent Interface problem.
🛠️Fixes
🏹Quivers Guide
Every piece of informations you need to know about Quivers.
⚜️Basics
📦Purple Box
Full Purple Box Drop Items List.
🧺Drop
📦Red Box
Full Red Box Drop Items List.
🧺Drop
🍀Lucky Items
All details about Lucky Items.
🧵Crafting
💎Jewel of Harmony Crafting
How to create Jewel of Harmony and everything you need to know about Elpis system.
🧵Crafting
❗Reset and Master Reset Requirements
Every reset and master reset has it's own requirements, here you have a full list with every information you need.
ℹ️Info
⚠️Hunting Log
Anything you need to know about hunting log.
🩵Systems
❔How to create Level 4 Wings
4th Wings Crafting Guide
🧵Crafting
❓How to create Magic Stones
Everything you need to know about creating Magic Stones
🧵Crafting
🏅Events Rewards
All in-game informations about rewards.
🎁Rewards
📦Box of Kundun +1
Full Box of Kundun +1 Drop Items List.
🧺Drop📦Box of Kundun +2
Full Box of Kundun +2 Drop Items List.
🧺Drop📦Box of Kundun +3
Full Box of Kundun +3 Drop Items List.
🧺Drop📦Box of Kundun +4
Full Box of Kundun +4 Drop Items List.
🧺Drop📦Box of Kundun +5
Full Box of Kundun +5 Drop Items List.
🧺Drop
🗺️Quest Class Items Drop
Here you can see everything you need to know where you can find the quest items you need to evolve your character class up to the 3rd class.
⚜️Basics
🧾Commands
All inside game commands that you can use.
⚜️Basics
🎉Rank Title & Rewards
Here you can see every rank title, image and rewards for every rank upgrade milestone achieved.
⚜️Basics
🚪Teleport to Loren Market and back to Lorencia
Here's how you can teleport to Loren Market from Lorencia or to Lorencia from Loren Market
⚜️Basics