Quote Originally Posted by Reinhardt_Azureheim View Post
Avoid using Onslaught on cooldown. Comparing on potency per pauge (ppg) basis:

Onslaught: 100p for 20g; 5ppg
Upheaval: 300p* for 20g; 15ppg*
Fell Cleave: 520p for 50g; 10,2ppg
Inner Beast: 350p for 50g; 7ppg**

* = if HP at 100% and no HP boosting buffs active
** = simply added for comparison in less-than-ideal scenarios

So Upheaval has full dibs on gauge priority, followed by FC / IB. Onslaught is best used as a gap closer to increase uptime if for some unfortunate reason walking between GCDs isn't enough when you eventually have to do a bee line for mechanics. Alternatively its decent for snap aggro in fights with adds that start with 0 enmity along wizh Equilibrium. Also affected by Unchained, if you need a lot enmity FAST.
Actually, using onslaught on cooldown is pretty much dps neutral than not doing so, and the reason is due to keeping your gauge at higher levels. This means you crit more frequently.