Xerosic and startling megaphone are in many lists to provide such a solution.
I think Night March is less concerned with removing Fighting Fury Belts and more with staying alive long enough to get the resources it needs to sweep. NM is already tapped for energy as it is without teching in Bronzong, and there's no counting how many Vs. Seekers or spare Double Colorles Energies it can burn through before it moves into sweeping position.