From wow.incgamers.com

Statistics

Talent Improvements

Arms Tree

Talent: Improved Thunderclap
Effect: Reduces the cost of your Thunder Clap ability by rage points and increases the damage by a % and the slowing effect by an additional %.
Statistics: Rank 1 = -1 rage point, +40% Damage and +4% slowing effect, Rank 2 = -2 rage point, +70% Damage and +7% slowing effect, Rank 3 = -4 rage point, +100% Damage and +10% slowing effect.

Protection Tree

Talent: Focussed Rage
Effect: Reduces the rage cost of your offensive abilities.
Statistics: Rank 1 = -1 rage, Rank 2 = -2 rage, Rank 3 = -3 rage.

Threat Level

This skill causes a high amount of Threat.

Uses in PvP

Please feel free to add a bullet list of uses within PvP or editorial if you have more to say. What use is it against other builds, what skills can it be used to counteract or prevent. What skills does it work well in combination with.

Uses in PvE

Please feel free to add a bullet list of uses within PvE or editorial if you have more to say. Which creatures/bosses in particular is it useful against. What skills does it work well in combination with.