Besides a ton of new areas and raid bosses, Echoes of Faydwer also introduces two new tradeskills. Tinkering allows you to construct clockwork items like a Gnomish Parachute which will grant the glide ability to non-Fae characters.
You’ll also be able to learn Transmuting. This tradeskill allows players to break down items into base components which can in turn be used to craft other items. Got a legendary item you can’t equip? Break it down with transmutation to create a Mana Battery which a Tinkerer might be able to use to power a clockwork device.