Escort quests can take awhile to do. I have thoroughly tested all the escort quests in the game for time/xp. Most are worth doing, but as long as you are able to actually do them without failing. Most require you to pay special attention to the escortee as most are fragile and will die easily, so do your best to keep mobs off of the escortee during escort quests. The longest one in the game is the Tanaris chicken escort. The chicken escorts are only worth doing if you were able to do all 3 of them, as if you do, you will be able to turn in an additional easy quick XP turn in quest at BB, which makes them worth it.
Your top priority is to use Bloodthirst on cooldown. While BT is on cooldown, you’ll want to use Whirlwind. If you have BT coming off cooldown, don’t use WW unless you’ll still have enough for BT right as it comes off cooldown. When both BT and WW are on cooldown, you can use your rage dump abilities. For single target, you can use Heroic Strike, but you’ll want to use Cleave for more than one enemy. The final ability on the rotation is Overpower, which does require you to switch into Battle Stance. Because of this, you’ll only want to switch to Battle Stance to use OP when BT and WW are on cooldown and you have less than 50 rage. When an enemy reaches 20% health, your rotation becomes Execute and Execute alone.
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