Master Gear will make it's appearance in your 4th set and will offer your base 4th set extra attributes as well as it's own set bonuses. Here we will discuss what that looks like for you and where you can find this gear to help max out your sets going forward.
When you are on the hunt for these master gear pieces you will be heading to your Ancient Bosses for the best drop chance and then you have a chance to obtain these from the World Bosses as well. Sometimes there are events that come around that offer Master gear selections boxes you can choose which set you are wanting these for.
Crafting will be similar to how you would evolve your gear without having to have the Jewel of Evolutions. It will require 100% success in order to craft