Originally Posted by
belashar
What is your main right now? If it is a class that can already tank I suggest you try that first for a few reason. You are already familiar with the class, you have gear that while it may have the wrong stats its better than starting from scratch and with your artifact research already rolling your will get AP faster.
I would suggest you use Tidy Plates + TP Threat Plates. They will help you identify when you don't have aggro on a monster.
Things to work on include being aware of your surroundings, working well with your healer(s) being aware of their mana especially in dungeons. A good tank will mitigate damage and a great one will anticipate it in advance.
Personally, I love tanking as a Paladin. You can mitigate and heal a ton.