I’m really hyped for the 3v3 arena and would like to share some thoughts 
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Ranked arenas
I hope they add arena-seasons where you can climb a ladder to compete and where the leaderboard is accessible at all times. Not just OPR in a down-scaled version. You start at 0 rating for example and unlock powerful pvp-gear as you climb up. If you end in the top % you can for example earn a unique titel, skin, housing-item etc, something to “show-of” with. -
Cross-server arena (server battlegroups)
This is an important one. I hope AGS devolop a cross-server infrastructure for both arena and OPR before they add arenas this spring. With the low playerbase on some servers it would simply be impossible to que for arenas. Maybe they can pair like 4-5 servers together to create a battlegroup. -
Multible maps of the arena
It’s funnier to play on different maps for the players, where some arenas can be more open and some have more cover. This will make different comps good at different maps. -
Only some consumables should be allowed
Health pots and mana-pots are the only consumables that should be allowed imo. It will get very expensive in the long-run if all the games consumables can be used and some ppl may maybe even argue that it would be P2W. -
Don’t constrain the players too much
While I think restricting what consumables that can be used in arenas, I think its important to let the players run whatever comp they want, atleast to begin with. 3 healers, 3 tanks or whatever it is, there are always a counter-play. -
More arena-types
3v3 is a good start. Down the line I hope AGS also will add 1v1, 2v2 and 5v5, with their own rating-systems and rewards.