Guild Wars 2

It would be nice if we had someting that would create pvp in the open world, i think ether as dueling or a territory where you can attack players that is flagged for pvp or someting like that.

No open world gank please.

Dueling on the other hand is fine if
- there is an auto deny option
- you don’t get rewards for it
- you can’t do it in towns, outposts, near waypoints and world pvp

Agreed, dueling would be fine. Open world gank would be horrible.