Warrior is in a better position than PLD for maintaining threat actually. PLDs and DRKs have incentive NOT to go through their enmity combos where as WARs highest DPS output will be going through them. Royal Authority combo doesn't generate as much as Halone.
I've had no issue with holding hate off competent melee as a sword oath PLD or deliverance WAR. Just don't go to open up with a maim combo as WAR and you'll be fine.
As WAR the safest route is to pull with defiance on > over power > go through block > switch to deliverance > then go crazy. If you're comfortable you can do tomahawk pull > over power > heavy swing > stance switch to deliverance > fell cleave > go through butchers in deliverance then put up eye etc.
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