You are wrong.. in gve u needed adena for items yes, but for S grade the system was optaining primaveral crystals and this dont was tradeable, So after 6k kill u was starting to take crystal, and then when u had all those crystals and adenas and medals u get S grade, was the best way. U should make items enchantable by kill too, cuz a lot players leave when all his enchants fail, i know a lot ppl who leaved for this reason.. put how it was in old faction sv, 60 kill for +1 enchant in B, 150 for +1 in A, 800 or 1000 for S.. so new ppl can get +++ weapon faster and ppl with S cost more make a difference. A new player with 1500kill can have +10 weapon and fight an S grade that who did too 1500 kill but just enchanted +1 or +2 S grade, there is a balance. Well.. its my idea, but i Agree the peper idea too.
PD: Sorry for my english i know its bad.