User blog comment:Godisme/Die Standing/@comment-1970092-20121011022551/@comment-2233649-20121012092047

Yamamoto was not one shotted. He fought the Fake Juha Bach which wore him out that when he fought the real Juha Bach he was too exhausted to put up a fight. Think of it as what happened to Grimmjow. He fought Ichigo and got worn out enough to be blindsided by Spoon Man Nnoitra. Similar concept.