From wow.incgamers.com

Statistics

Talent Improvements

Assassination Tree

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

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%.

Subtelity Tree

Talent: Shadowstep Talent
Effect: Attempts to step through the shadows and reappear behind your enemy. The damage of your next Ambush, Backstab or Garrote ability is increased by 20%. Lasts 10 sec.
Statistics: Cost: 10 Energy, Range: 20 yards, Cast Time: Instant, Cooldown: 15 secs, School: Physical, Form: Stealth.

Threat Level

This skill generates Medium 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

• Sometimes better than Ambush on mobs, as it does damage over time instead of burst damage.

Other Facts

Add any additional facts about this spell that does not fit in to any of the above categories.