After the failure of +4 ~+7, the original enhancement level of the item is reduced by 1.

After +8 ~+ 10 fails, the enhancement level of the item will return to zero.

+1 1 ~ Items disappear and decompose after failure.

Strengthening success rate

+ 1~+3 100%

+3~+4 95%

+4~+5 90%

+5~+6 80%

+6~+7 75%

+7~+8 62. 1%

+8~+9 53.7%

+9~+ 10 4 1.4%

+ 10~+ 1 1 33.9%

+ 1 1~+ 12 28%

+ 12~+ 13 20.7%

+ 13~+ 14 17.3%

+ 14~+ 15 13.6%

+ 15~+ 16 10. 1%

This is official data.