Quote Originally Posted by Riko_Futatabi View Post

Also for fights that do not have additional loot that don't always drop, like Coil for example. For Coil you could have the chance for additional armor drops from chests.

This is such a simple solution and it's only a "chance" you can't exploit it and most of all, everyone will want the bonus that the person that hasn't cleared gives you.
From a Coil perspective this would promote selling your 8th static slot for the extra armor if you're capable of 7-manning lol