From wow.incgamers.com

Statistics

• This skill requires the Hemorrhage Talent

Talent Improvements

Assassintaion Tree

Talent: Remorseless Attacks
Effect: After killing an opponent that yields Experience Points or Honor Points; gives you an increased Critical Strike chance on your next Sinister Strike, Hemorrhage Skill, Backstab, Mutilate, Ambush, or Ghostly Strike Skill. Lasts 20 sec.
Statistics: Rank 1 = +20%, Rank 2 = +40%.

Talent: Lethality
Effect: Increases the Critical Strike damage bonus of your Sinister Strike, Gouge, Backstab, Ghostly Strike, Mutilate, Shiv, and Hemorrhage abilities by 30%.
Statistics: Rank 1 = +6%, Rank 2 = +12%, Rank 3 = +18%, Rank 4 = +24%, Rank 5 = +30%.

Talent: Malice
Effect: Increases your Critical Strike chance.
Statistics: Rank 1 = +1%, Rank 2 = +2%, Rank 3 = +3%, Rank 4 = +4%, Rank 5 = +5%.

Talent: Murder
Effect: Increases all damage caused against Humanoid, Giant, Beast and Dragonkin targets.
Statistics: Rank 1 = +1%, Rank 2 = +2%.

Talent: Cold Blood Talent
Effect: When activated, increases the Critical Strike chance of your next offensive ability by 100%.
Statistics: N/A.

Combat Tree

Talent: Precision Rogue
Effect: Increases your chance to hit with melee weapons.
Statistics: Rank 1 = +1%, Rank 2 = +2%, Rank 3 = +3%, Rank 4 = +4%, Rank 5 = +5%.

Talent: Dagger Specialization
Effect: Increases your chance to get a Critical Strike with Daggers.
Statistics: Rank 1 = +1%, Rank 2 = +2%, Rank 3 = +3%, Rank 4 = +4%, Rank 5 = +5%.

Talent: Mace Specialization
Effect: Gives your melee attacks a chance to stun your target for 3 sec and generate 6 rage when using a Mace.
Statistics: The talents becomes more effective from Rank 1 through Rank 5.

Talent: Fist Weapon Specialization
Effect: Increases your chance to get a critical strike with Fist Weapons.
Statistics: Rank 1 = +1%, Rank 2 = +2%, Rank 3 = +3%, Rank 4 = +4%, Rank 5 = +5%.

Talent: Weapon Expertise Rogue
Effect: Increases your weapon skill with Sword, Fist and Dagger weapons.
Statistics: Rank 1 = +5, Rank 2 = +10.

Talent: Vitality Rogue
Effect: Increases your total Stamina and your total Agility.
Statistics: Rank 1 = +2% stam / +1% agi, Rank 2 = +4% stam / +2% agi.

Subtlety Tree

Talent: Hemorrhage Talent
Effect: An instant strike that damages the opponent and causes the target to hemorrhage, increasing any Physical damage dealt to the target by up to 3. Lasts 30 charges or 15 sec. Awards 1 Combo Point.
Statistics: N/A.

Talent: Serrated Blades
Effect: Causes your attacks to ignore part of your target's Armor and increases the damage dealt by your Rupture ability. The amount of Armor reduced increases with your level.
Statistics: Rank 1 = -186 Armor / +10% damage, Rank 2 = -373 Armor / +20% damage, Rank 3 = -560 Armor / +30% damage.

Talent: Master of Subtlety
Effect: Attacks made while stealthed and for 6 seconds after breaking stealth cause additional damage.
Statistics: Rank 1 = +4%, Rank 2 = +7%, Rank 3 = +10%.

Talent: Deadliness
Effect: Increases your Attack Power.
Statistics: Rank 1 = +2%, Rank 2 = +4%, Rank 3 = +6%, Rank 4 = +8%, Rank 5 = +10%.

Talent: Sinister Calling
Effect: Increases your total Agility.
Statistics: Rank 1 = +3%, Rank 2 = +6%, Rank 3 = +9%, Rank 4 = +12%, Rank 5 = +15%.

Threat Level

This skill causes a moderate 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.