in HBinter,the limit of PTA upgrade is +20 but in Helbreath, +15 is max upgrade point even if using item number generator. i've read <a href='http://www.unadvised.net/forums/index.php?showtopic=7804&view=findpost&p=1089907690' target='_blank'>this</a> topic but i can upgrade upto PTA+10 is ...