Works for all talent setups. Ability icons desaturize when on cooldown. Buffs and debuffs glow while active, then desaturate while on cooldown. Abilities that you can't cast darken.
Fury bar turns green if you have enough fury for both a Chaos Strike AND a (First Blood) Blade Dance.
Fel Barrage (icon)
Dark Slash (icon)
Nemesis (icon)
Felblade (icon)
Blade Dance (icon)
Death Sweep (icon)
Eye Beam (icon)
Fury (aurabar)
Immolation Aura (icon)
Metamorphosis (icon)