down item

hi
whats easiest way to downgrade my + of item? i wanna try max cr if +0 is better chances

0 - +3 do not add success chance if you are trying to use Force Core upgrade i tested it

my item +7

upgrade your item very fast,like upgrade,and In 1 sec upgrade it again,fasssssssstttt,It can low grade only at +2,GOOD LUCK