Looks like Hellfire is super new to private Lineage 2 servers... #1: Lag= If the computer(server) is running on crappy specs, it will LAG the server and everyone on it.
Only thing that isnt from the server is Frame Rate Drop.
#2: Bugs like subclass arnt on retail know why? because they acually know how to code, you on the other hand probably dont know how to code the L2 server itself.
I have personally run my own succesful server with over 200+ registered users. And I know that these bugs dont exist on retail.
stop using excuses