Bugs:
None found to this date providing client/main listed below is used and server is properly configured.

Features:
Full Season 1 items and Events
Devil's Square
Blood Castle
Choas Castle
Deep Loren Invasion
Golden Mob Invasion
White Wizard Invasion
Castle Siege
Crywolf

Customizations included in .ini:
Customizable Jewel Prices
Customizable Excellent Drop Rate
Customizable Mana Sheild Percentage Rate
Customizable Jewel Percentage Rates
Customizable Chaos Machine Rates
Special Zen Drop Rate
Special Map Experience Rate
PK Clear Guard NPC - Speak with PK Clear Guard and you can In-Game Instantly Clear your PK Status for Customized Price
Golden Archer NPC - Find a Rena/Stone and Speak with Golden Archer to trade for Item that you Specifiy in .ini
Global Chat Price/Level Set
InGame Stat Add Configuration
Lost Castle Event Settings

Configuration Guides:
Server (Both Router and Non Router) - Configure all IPs, set your Rates/Amounts. Server Config Complete
Client - Basic Client Configuration (as you would any client), Use any launcher application builder you like

credits :
Webzen
CoderzFactory Team
Primary Coder : eRRoR
Repack of server and client: UnForSaken
Client and Testing: LastLand Mu/UnicorN