I know there will be battle ground type pvp, but is it server vs server, or do we fight eachother?

I can honestly say I am not sure. I am however looking forward to Death Matches.

Instance matching will be cross server and LFG (Y key by default) will be same server.
So dungeon finder queues and pvp battlegrounds will be cross server.

In regards to the Political system, we still get to defend/take over areas using PVP correct?

that will be based on Battlegrounds if i am not mistaken.

Arena Battles

https://tera-answers.enmasse.com/posts/7be5dc9908

There looks to be GvG on PVE server, but we don't know more than my link.
I also remember reading that during GvG on PVE servers, both leaders have to "agree" to the war.


Also, I have a feeling that vanarchs will not have this option to enable PVP.

In case anyone here did not already know, we will not have battlegrounds at launch. They will not be adding them in until at least summer. So I have no idea how the PvP Vanarch stuff will work them