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➕ ADDED / MODIFIED
Fixed Evolution Quest Timed Kill Count Reset
➕ ADDED
Doppelganger Extended Config
Doppelganger Character Monsters (RF, CRU, Illusion Knight)
NEW Monster Skills for Doppelganger Character-Monsters
Doppelganger Elemental Combat (Fixed / Random / Off Per Monster)
Doppelganger Ice Walker → Furious Slaughterer Transform
Doppelganger Config-Driven Silver Chest Sets & Timed Ice Walker
Doppelganger Per-Ground Instance (4-Party Golden Chest Fight)
Doppelganger Translatable On-Screen Notices
Doppelganger Party-Requirement Config (RequireParty / MinMembers)
Doppelganger & Tormented Square Event Rankings
Tormented Square Rankings
Elemental Monster Drop Support
🔄 MODIFIED
Doppelganger Event Renewal
Official S21 Item Sell Price Formula
NPC Sell Price Recalculation
Chaos Mix Definitions Expansion
Ranking Database Performance
Party & Guild Loading Performance
Warehouse Save Optimization
Drop Limit Persistence System
Monster Soul Reset Scheduler
🐞 FIXED
Evolution Quest Timed Kill Count Reset
Offline Leveling Item Autoloot
Doppelganger Duplicate Ice Walker & Doubled Waves
Doppelganger Waves Freezing Mid-Lane
Doppelganger Bosses / Waves Not Attacking Adjacent Players
Doppelganger Silver Chest Re-Open / Set-ID Conflict
Doppelganger Golden Chest Reachability & Rewards
Doppelganger Event Map Remaining Time
Doppelganger Timer Packets
Doppelganger Reward Distribution
Doppelganger Boss & Chest Logic
CryWolf Bosses Dealing No Damage Adjacent
CryWolf Army Standing Idle Instead Of Attacking
CryWolf Monsters Stuck On Central Statue
Battle Soccer PvP Kill Score
Battle Soccer Match End Logic
GremoryCase Reward Validation
Guild War Target Selection
Elemental Drop Restrictions
Jewel of Life Wing Options
Chaos Mix Infinite Roll Loop
Legendary Item Bonus Options
Legendary Weapon Drop Logic
QuestMU Login Synchronization
Timed Evolution Quest Reset
Guided Quest Persistence
Reset Helper Position
MU Helper Auto Reset
Warehouse Transaction Crash
Lua Plugin Reload Stability
Notice Buffer Overflow
Database Transaction Handling
Wing Core Null Pointer Crashes
Pentagram & Errtel Validation
Ruud Shop Validation
Craft System Validation
Personal Store Validation
Castle System Validation
Packet Bounds Validation
Server stability and event systems improved.
ESTHUS
➕ ADDED
Duel System Config Overhaul
Duel Winner Honor Buff
Optional Duel Gens Requirement
CashShop Time-Limited Packages
mimalloc Allocator
🔄 MODIFIED
Moved Anti Lag To F7
CashShop Package Display Order
Monster Viewport Scan Optimization
World Player Map Optimization
Monster AI Processing Optimization
Broadcast / Network Lock Optimization
Server Log Panel Upgrade
MySQL Reliability Improvements
PlayTime Reload From Admin Panel
🐞 FIXED
Sacred Impact 4th Skill Client Crash
MLMinMonster Level Was Not Applying
Repeated Quest
Party Exp
Guild War Protocol
Party Matching
MuHelper Plus Behavior
Trade And Duel Protocols
Monster Distance Check
Nix Attack
VIP Drop Rate Bonus
Drop-Rate Buff Bonus
Duel Spectator HUD
Duel Disconnect Crash
Duel No-Duel Zone Validation
Trade Item / Zen Duplication
Wing Core Loss On Failed Trade
Trade Double OK Exploit
Trade Zen Display Update
Trade While In Other Interface
Party Matching Registration After Disconnect
Same Account Joining Same Party
Named Party Join Filter Bypass
Party Matching Ghost Entries
Party Matching Empty Page
Party Leader Slot Corruption
Party Member GUID Truncation
Cross-Server Teleport Fee Issue
Party UI On Character Select
Party Summon Owner After Leader Change
HelperPlus Zone Gate Teleport
HelperPlus Party Matching UI Conflict
HelperPlus Party Assist Flag
Ranged Monster Attack Range
Nix Boss Movement
Nixies Lake Monster Aggro
Nixies Lake Boss Recovery
GunCrusher Bursting Flare Hit Count
GunCrusher Fixed Fire Buff
Rage Fighter 4th Enchant Scaling
Lemuria Buffs Not Applying To Party
Elf Elemental Buff Formula
Yeti Snowball Skill Dispatch
VIP Exp Bonus For Monster Zen
ZenDrop Item Bonus
Evo Quest Kill Count Display
Happy Hour EXP Icon Update
Crywolf Level Restriction
Unleashed Marvel Spawn Position
Party Matching Nag Popup
Party Matching AutoAccept State
ArkaWar Trophy Combination
SQL Injection Issues
NPC Shop / ItemBuy Crash Packets
HarmonyMix Inventory Exploit
Doppelganger Reload Crash
PlayerSaveTransaction Crash
BondSkill Packet Overread
PersonalStore Packet Validation
ServerLink Packet Desync Spam
ConnectServer Oversized Packets
Socket Outbound Queue Growth
Multiple Null Pointer Crashes
Server stability and gameplay improved.
ESTHUS
Resolved on
May 20, 2026 — All issues fixed
Dear players!
The server was temporarily unavailable due to technical issues. All problems have been fixed. To continue playing, you need to completely update the game client (download it again).
The server was temporarily unavailable due to technical issues. All problems have been fixed. To continue playing, you need to completely update the game client (download it again).
Download Client
Compensation
As compensation for the inconvenience, you have been given a code for 1000 WC.
Please activate it in your account panel on the website.
Code:
ESTHUS21Thank you for your understanding and support!
ESTHUS