naruto's "power' at the conclusion of the chuunin fight. the allusion on whole neatly wrapped up all the significant pieces.
we are then treated to a brief panic of both obito and madara as their "bonds" were physically broken from the juubi. it was a whole lesser tit for tat play on the uchiha and power + bond themes as well as sequentially retaining definition of "cage" and themselves being freed from the juubi (you could interpret as naruto showing obito how he us licking himself up in the same cage by "self inflicted" curse of he is blind to.
they weren't simply doing nothing. they were, however, performing classic failures from the villain schools of pride, talking too much, and biting off more than they can chew.