An exotic class item could be a new game changer.
1) It could enable planetary perks if any were thought up.
2) It could increase super effects, or any effects.
3) Add optional effects to existing exotic weapons or armor
4) Wearing it enabled 2 exotic weapons
5) Or simply wearing it could provide damage resistant from the back
6) or it could be trivial like allows you to shoot while in the tower and do supers "completely useless"
7) OR improves the sounds of footsteps "louder crunchy'er" everyone is running on Doritos (unfair pvp)
8) show All players suggested field of view "it glows" (unfair pvp)
9) allows to convert enemies into allies either by summoning or by any other method like striking an enemy or shooting a special whatever at it.
10) makes you unable to take damage but also makes you useless to cause damage could also come with handycaps to pay for the effects or something to give up for having it.
11) makes you highly visible ,"and could reduce damage output maybe" (great for players to see you easily in pvp and pve) in pvp it's good for training and in PvE good for being found or seen
12) allows gaurdian to go prone
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It was in d1