Reforging System

Visit Adventurers' Guild by clicking on the Adventurers' Stone located in thais temple:

Go to +0 level and navigate to the teleport on south:

You will find multiple npc's resembling each item category:

You can sell your items for dust resmbling item category:

And then buy an item from the same category for higher price

This way you can equip your character faster without droping the actual item you need