So far I've got :
Osteo Striga
Quicksilver
Ability regen being tied to cooldown in pve
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Bungie incorporated a cap on Khepris Horn Ability regen when getting Solar Kills Currently it gives about 10% of your barricade for a single/double/triple It used to be uncapped and a kill could net you about 20% of your barricade, so if you team wipe you nearly get a whole nother barricade if you built your loadout right, Bungie kills any creativity if it’s tied to abilities that have no recent relevance to their pocket book.