The Transmutation System is one of many that you can find in ESO. The Transmute System allows you to transmute items to any trait available, the only requirement is that you have researched the trait previously, making it even more important to research traits! In addition, you also need Transmute Crystals to perform the change.
The Basics - Transmute SystemThrough a Transmute Station, you can use crystals created through powerful events to fundamentally alter your items. This takes the form of changing the item's trait.
There is a Transmute Station in the Brass Fortress in the Clockwork City. You may also acquire a Transmute Station for use in a home you own, or may visit a friends' home and use any Transmute Stations they possess.In order to change an item's trait, you must have researched the trait you wish to have on the type of item you wish to change.
Location in Brass Fortress in Clockwork City
There is a free Transmutation Station the Brass Fortress in Clockwork City. Everyone can access it, you still need the Clockwork City DLC to get there.