Armor is just so sad at the moment, with the only end goal being stats. There is no variety to armor itself, all armor in the game is the same aside from artifice, but with my time in destiny I have all the stats I need now and anytime an armor set comes out be it dungeon or raid, I just don't care after that first drop for transmog, making new armor right now is just worthless.
A good example of what would be great is revisiting origins such as Riven's curse that was an intrinsic perk on Reverie dawn armor.
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Raid armor has raid mod slots. Master dungeons have artifice stats. Seasonal armor grants bonuses related to the seasonal activities. Iron Banner armor grants reputation boosts while the event is active.