Maybe because all they do is fighting.
Someone said it's been 9 months since Ulquiorra was sealed.
The fighting started even before that.
So we are almost constantly seeing fights for a year now.
And now that the fights in HM seemed to have ended, what happens?
The winter war starts early and we get to see another series of fights that will take a long time to be finished (probably).
"For Feanor was made the mightiest in all parts of body and mind, in valour, in endurance, in beauty, in understanding, in skill, in strength and subtlety alike, of all the Children of Illuvatar, and a bright flame was in him"