Intimidating Shout Description: A very, very useful ability that most people don't know how to use properly. Intimidating Shout him and you can stroll over and smack him in the face once Frost Nova wears off. Intimidating Shout his PET, then follow the Hunter around while the pet stands there looking like an idiot and you beat the crap out of his master (this also works with Warlocks or Mages with Frost Elementals! namely, enough time to use a full bandage (or close to a full bandage), which will help immensely when trying to kill difficult monsters or other players.
The spell actually has two effects; the first will fear up to 4 targets within 8 yards of you. Berserker Rage Description: A fantastic tool for Pv E and Pv P.
Heroic Strike becomes considerably stronger when dual wielding, largely as a result of the same issue that makes it mediocre with a two-hander; it turns your attack into a special (yellow) attack.
Heroic Strike has two distinct uses, depending upon if you're using a two-hand weapon, dual wielding or a sword and board.
If you're using a two-hand weapon, this ability is usually fairly useless.
Shield Bash Description: Shield Bash is your only available interrupt until you receive Pummel, and thus very useful against casters.
Unfortunately, the requirement for the shields makes it rather tricky to use when not tanking (read: Pv P or solo grinding).
Cleave Description: Much like Heroic Strike, Cleave is an on-next-hit ability that will increase the damage dealt.
It costs more Rage than Heroic Strike (although not to the same degree as Heroic Strike will) and adds less damage with the same caveats. Because it will also make your next attack hit another target that is close to you.
However, when combined with the Improved Thunderclap talent it becomes extremely strong - dealing moderately impressive damage and slowing all of the targets it hits by 20%, which significantly reduces the damage you'll be taking from the mobs.
It's worth using in grinding even on solo mobs, but once you start getting more than one it's almost always worth keeping up.
Description: One of your first attacks, and one of the most versatile ones.
It turns your next autoattack into a special (or yellow damage) attack that deals additional damage, as well as causing additional threat.
It costs a great deal of Rage as it absorbs your next attack, and that Rage is almost always better spent on other attacks.