https://steamcommunity.com/games/261550/announcements/detail/1649884446698938168
DEV BLOG: FACTION BANNERS
<blockquote>
<div class="bb_h1">Empire
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Empire presented us with quite a unique challenge. The design of this flag was pretty much set in stone from the outset: <strong>we wanted to use the double-headed eagle as it is a charge that is associated with empire, especially the Byzantine Empire (which this faction takes its inspiration from)</strong>. However, because Empire is split into three individual factions that are on the brink of a civil war, we had to decide whether to go with completely different banner designs or to use the same banner across all three factions (after all, each of the three rulers claim to be the rightful heir to the throne!). In the end, we reasoned that we should take a route somewhere in between these two options by keeping the general design the same, but giving each banner its own slight variation to represent the ideals of that particular faction.
For the Northern Empire, whose leader was elected by the senate from within their own ranks, we decided to go with a deep purple. Historically, the dye used to create purple garments was extremely expensive and, as such, it is a colour that is commonly associated with emperors, kings and queens. Likewise, for the southern empire we decided to choose a shade of blue-violet. This colour represents stability and nobility, which we think is quite fitting for their leader, Empress Rhagaea, widow of the previous emperor, Arenicos. Finally, we thought that orange, a colour which relates to adventure and risk-taking, would be the best choice for the militaristic Western Empire.</blockquote>
<img src="https://i.ytimg.com/vi/Yzz8FVMaQRk/hqdefault.jpg" />