Since WAR needs a skill comparable to Hollowed ground, I'd say they should change unchained and
- make it our lvl 50 job skill (infuriate would be the lvl 45 one) and during 10s we stay in constant infuriate state meaning we'd have access to all Wrath skills for free. In a boss fight, we'd be able to spam 4 IB in row and in a speedrun large pull, we'd throw Bloodbath and spam Steel Cyclone to selfheal.
- give a 5 min cooldown and a pacification effect that prevents us from building wrath for 10s. We can use it more often that PLD's Hallowed but we won't have access to the 15% heal bonus or IB for 10 sec (too long?).
I would love such skill, I find it fits the WAR design so nicely and emphasizes our "offensive tank" style. It's still not as good defensively as Hallowed since you can still get 1-2 shot to death.
but there's
