hello ihit

ii recently purchased the axe of the ruler of fates and what i thought was the pommel to upgrade the axe the ruler of fates , instead i accidentally bought thee upgrade for the mace and now i have this pommel that i cannot use Please, please help me.... i cannot afford these kinds of thing often and it was a honest mistake on my part , i don't know what to do , and all i want is the axe and the upgrade that i thought i bought ">">">">">