1. l2j ofc
2.. u can host it in your pc.. NO-IP Server, but u must have minimum 4 GB Ram ,
net conection minimum upload 4mbps
minimum download 24mbps
...and dont use it..... this pc only for host your serv..not for use msn...toernts etc....u can get near 100 ppl without any lag
3. if u want a pvp serv... firt must learn to create alone bufers,shops,gks .... must learn all gm actions....
4. for gracia dont worry.. dont need any protection......