Hey MxC I'd like to share a simple, but util java modification. It's written for aCis, but you can simple adapt to any chronicle and project by changing the XML parser.
This mod will allow you to set specific drops to specific monsters with determined level range, or determined class (RB, GB, Normal Mobs...) with chances.
Why i made this mode? Normally L2J set monster drops like > Monster "X" have Items "Y" as drops. Then, to facilitate servers configuration i did the opposite.
Like: Item "X" will be dropped by a specific range of mobs.
There are 2 types of