With new directions, Z got over the sense of loss he felt at being unable to use his new technique. Logically speaking, it was a good thing that they hadn't been pushed to the point of hopelessness. Not to mention, they were hardly safe yet. Who knew, maybe the devils would return from the void having gained immense power seeking vengeance. Isn't that how background characters later became named characters later on in some of the comics he read?
With renewed motivation, the mech launched itself into the escaping demons and cut its way to the already damaged monument. To be specific, it had been split into two as the ground beneath it split open, but the structure on both sides was, more or less, still standing.