I have created systems for flyff, and i'm selling some of this.
All system here is only from me, you can find some system almost same, but not really same. I develope all system here.
Challenge System [300€]:
Is a major improvement from the Coliseum.
You can make multi mobs pop (yeah pop 500 Aibatt), many type of mob with any quantity, so you can pop 50 Aibatt + 50 Lawolf in same stage.
Is coming with ranking n_n !


Achievement System [350€]:
Is achievement system like Echo of Soul or Archeage, you can have many achievement for level, classe, item, money, kill, mobs etc ...
You can add title or/and item for gift when you get achievement.
World Boss System [300€]:
The World Boss system for add world boss, edit stats, spawn time, spawn position, add special drop, special action for %hp (like heal, attack, spawn mobs etc ...)
Auction System (is not AH) [150€]:
Is simple Auction system with command.
Admin set many item can be use for auction, and set day and time for auction.
This system make auction for each day and time you have set, when auction is active, all player can make bid, the item is for best offer (logic '-').
Is totaly automatic
All system are editable from resource files (.inc/.h/.txt) or .lua for Bid System.
All system are already sold to Origin Flyff and Level Flyff.
If you are interested, contact me via PM !






