Transmogrification in Diablo III: Reaper of Souls

Popular World of Warcraft feature, Transmogrifcation, comes into the world of Diablo III: Reaper of Souls through a new ally, Mystic Myriam Jahzia. She'll not only offer advice throughout your hellish adventuring but will also offer Enchanting and Transmogrification.

Transmogrification will allow you to change and customize the appearance of your gear to look like other items that you've found. According to Blizzard, all items with a visual appearance are planned to be available for Transmogrification, including Legendary and Set items.

More details here.