The lore on all the Opulent armor is written by Calus' scribes. It's all written about our characters exploits in a scenario where we join Calus as his Shadow. They're written by people who have basic knowledge about our previous exploits and with the intent of entertaining an audience.
[spoiler]It's
all
fanfiction.[/spoiler]
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They made it that way so they can ret-con it later without any fuss.