When u enchant items from +4 to +9 another box apear beside box where u put weapons/armor and the other u put the enchant.

Its an item that u need to put in that 3rd box that improove enchant rate! 

Where i can get those items and how? thx alot for answers

This item avaliable only on russian official servers. And there you need some money to buy it.)

You can receive these items if will win in the competition from admins.

Prize-winners of last competition have received from 5 to 20 items.