Unique Item Dissipation

By this point in the season, the sheer volume of items becomes so excessive that they cease to sell. Consequently, players lose the thrill of farming—and the fun of the game itself—leading them to stop playing altogether.
To rectify this, we urgently need a specific mechanism for high-value Unique items that incorporates a method of item destruction through specific combinations.

exp) To perform an upgrade
     
     Griffon's Eye + @ + @ +@ = It exchanges them for materials.
     and 10x meterials you can upgrade something.

I have always thought it would be nice if there was a way to tweak stats on an item. remove some of X stat to make X of another stat on the same item. For instance remove X intellect to make X lower resist on griffons eye.