[News]  "Item upgrade" attack value is maximum upgrade to +120
Admin
http://www.bossran.com/show.aspx?articleid=122
2011-10-02

The sum of the attack and attack grinding is maximum upgrade to +120
100 points once and increased by 1 attack
0-50 100% success
51-120 70% success,30% remain the same level
Good Luck!