I'm playing on frostmourne, I want to hop into arena's but I have no clue on how exactly that works. I get some DM's from ppl asking for a mate (I'm retpal) but always answers by the negative cause I'm clueless about the whole thing.
So, how to arena ? If you had to explain it to a 5yo, go.
Find someone who is willing to learn with you. People usually quit team if you lose 2 games in a row. It is an old game and people have no tolarance. A friend to learn with would be best. If you dont have one irl, make a forum post looking someone to learn with. Meanwhile read guides, watch pro players etc. Try to find tactics on spesific comp you want to play which is most probably hunter/ret for 2v2.
Learn how to use pillars to your advantage to avoid CCs and damage (if necessary), get some addons like gladius, and tellmewhen, also setup focus frames so you can keep an eye on a secondary target other than your main target.
Below are some macros I consider essential if you're going to play ret in 2vs2
Each line is a seperate macro:
/cast [@focus] Hammer of Justice
/cast [@focus] repentance
/cast [@party1] sacred shield
/cast [@party1] Hand of Sacrifice
/cast [@party1] Hand of Protection
/cast [@party1] hand of freedom
and most important of all /cast [@party1] cleanse
If you're not using all of those macros at least once per arena game, you're probably doing it wrong, so I suggest you keybind them (and also their respective buttons that you use to cast the buffs or cleanse on yourself) to something comfortable.
I'd recommend you play with a good hunter or warr/DK partner for best results at lower mmr.
That's about as general as I can get for you without writing a book, good luck!