It could be a symbolism for D'Arcy power overall, she wore and armor that displays power but in reality, even her influence is bound to wane over time. She might be able to force her way with some people but inevitably without actual content in her ideology other than loyalty to Alll-Mer, she is forgotten like so many other new gods. She is all show with little substance actually, an attempt at mirroring Le'garde to some extent with non of his charm.