I guess that explains the belly hole in the female drg ARR relic set. Still a shame that they didn't just put the Rathalos armor in. Sometimes the obvious answer isn't so obvious.
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It shows how weak the craftsmanship guilds are when it comes to building armor, similar to monster hunter, where it's meant to be intimidating for the most part, outside of a few select sets here and there.
Meanwhile, Monster hunter world gets Estinien Armor, essentially ALL FFXIV related and not a "here's a somewhat idea of FFXIV armor that could be in game". It's Estinien's Dragoon armor in full. And a Wyvern. Most XI players are loling.