What happens after progression is done?

I realize it is quite early to ask this question. I play on Outland and I'm wondering if Warmane does resets of servers or similar things. What happens after all progression is cleared and all arena seasons are done? Are there plans in place for when that happens? Will a new realm open?

Having other realms as a guideline, they just do content progression once at the server start. Then once everything is unlocked you'll just ....have it all unlocked. They just start new arena seasons and give awards to top X teams.