I was thinking about this for a while but what if we could get ghosts from raids that resembled the raid they're from. For example, a vex themed ghost from the VOG or a hive themed one from Crota's End.
And while it'll still be purely cosmetic it could add that little bit of extra customization destiny needs
Comment on your thoughts and or improvement
Edit 1: there could even be a normal and hard mode versions like the ships [/spoiler]
Edit 2: idea by(Tacoface1996) also getting ghost shells from crucible, vanguard and other factions packages similar to the shaders
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The factions (cruc,van, various other vendors) should also have unique ghost imo