sentences:  The disadvantage of having periodically or occasionally paid recruits was that if their money had not arrived on time, they simply left the battlefield, or – in a worse scenario – they revolted, as has happened in several instances.Since they were the same skilled men-at-arms led by the same leaders previously fighting under the Hungarian flag, they were as difficult to eliminate as the Black Army was to its enemies.However, they could be outnumbered, since it was always a flank or division which quit the campaign.