100% Item must be Blessed with Elemental Scroll! Other way you will lost scroll!
Rebirth Upgrade Up Scroll
Rebirth Upgrade Up Scroll + TRINA
+7 -> +8: 2%
+7 -> +8: 5%
Scroll of Freedom
+5 -> +6: 70% +6 -> +7: 30% +7 -> +8: 7%
Exceptions:
3x[OLD] Accesories has 30% Upgrade Rate to make it normal
Donate Neck & Wings to +1 & to +2 has 50% Upgrade Rate
FT Neck & BDW Belt to +1 has 50% Upgrade Rate
Bronze to Silver & Silver to Gold Goblets has 100% Upgrade Rate