depends of the place where u fight , engine of l2 is too old and even a good PC wont help u , for example i have e8400 cpu , 4 gb ram , evga 9800 gt 512 mb ddr3 , and to be honest in toi 13 if is mass pvp i drop to 3-4 fps .
i think u need a good proc , good video card so it can load the...