The two primary benefits of ranking up are:
The benefits of units ranking up (through copper, silver, and gold levels chevrons) are minimal, but since units get ranks up for free as long as the unit survives, there’s no real downside.
faction = a sub-set of a race, indicated by different colors & symbols on their heraldry.A compilation of tips, tricks, hints, and strategies that are generally useful across races & factions of Total War: Warhammer II.