when and what "aging accessorie" should i use in this case?

[MADM1ND 0]

Hi all! =D

 

i've just reached lvl 114 with my pure atalanta and at this moment i have a Grand shield ata spec good stats +11...

 

im planning to make it +14 for now and i would like to know if its too risky to do it w/o age stone/copper ore 

 

thnx!!

[MrWakaWalrus 3]

according to the aging information on the website, it is quite risky, pal: 24% failure to +14