If a unit with one or more Banners of the EndlessSwarm has more Full Ranks than each of the enemy units Engaged in the same Combat, it gains Fight in ExtraRank. If the unit has more than twice the number of Full Ranks than each of the enemy units Engaged in thesame Combat, it gains an additional instance of Fight in Extra Rank. Check how many Full Ranks the units have andapply the effects at the start of each Initiative Step.