This system would perfectly help with exactly your points!
There would be more PvP - smaller battles and bigger battles, all of which would be under less pressure and bring more fun into the equation. There would still be plenty free for all battles, for everyone to participate.
There would be more PvP - smaller battles and bigger battles, all of which would be under less pressure and bring more fun into the equation. There would still be plenty free for all battles, for everyone to participate.