Epic boss? Really?
We have one epic boss and two hardcore bosses in cycle.
I agree with WBS who said: "And drop honor and vengeance, along with epic boss".
One epic boss, one honor and vengeance and one hardcore boss are enough per cycle.
Of course, I prefer old faction PvP event and not honor and vengeance.
I don't see interesting events in game at all. All events reward you with only defense/attack boosts. Only gold units and related goals have interesting boosts.