I get really annoyed when I see someone STILL complaining about second wind.
Please tell me why you can't do 11k dps at level 90?
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Mage has always been strong,
Feral is another good 1v1 class.
Warriors atm can hold their ground vs most classes. Choosing double time can help lock down a mage.
Feral and mage are probably my top 2 1 v 1 situation, but also hunters like said before are usually amazing 1v1 except everyone and their mom has a hunter now with maybe 10% of em actually know how to play lol but again this is just my opinion
Warrior with Second Wind > Mage > Warrior without Second Wind > Spriest > Trash
In my opinion i think its unholy dk (seems to have decent survivalbility compared to frost).