Talk:Nyx (Warframe)/@comment-91.205.236.74-20140327190417/@comment-130.204.172.136-20140417074822

Excalibur got a proto skin as a reference to Dark Sector. Since Excalibur resembles the main protagonist's armor, they gave him the proto skin, which is, in fact, the same armor that Hayaden Tenno(the protagonist of Dark Sector) wore at some point in the storyline.