Efficient

Reduces the chance enemies have to detect you while in Stealth mode.

Increases the damage dealt when striking from behind with your Backstab, Mutilate, Garrote and Ambush abilities by 4%.

Reduces the chance you are critically hit by melee and ranged attacks by 1% and increases the threat reduction of your Feint ability by 10%.

Increases the range of your Blind and Sap abilities by 2 yards and reduces the energy cost of your Blind and Sap abilities by 25%.

Increases your speed while stealthed by 3% and reduces the cooldown of your Stealth ability by 1 sec.

Gives you a 25% chance to add an additional combo point to your target when using your Ambush, Garrote, or Cheap Shot ability.

A strike that deals 125% weapon damage and increases your chance to dodge by 15% for 7 sec. Awards 1 combo point.

Increases the critical strike chance of your Ambush ability by 15%.

Gives you a 15% chance to add a combo point to your target after dodging their attack or fully resisting one of their spells.

Reduces the cooldown of your Vanish and Blind abilities by 45 sec.

Causes your attacks to ignore 0 of your target's Armor and increases the damage dealt by your Rupture ability by 10%. The amount of Armor reduced increases with your level.

Increases your Stealth detection and reduces the chance you are hit by spells and ranged attacks by 2%.

When activated, this ability immediately finishes the cooldown on your Evasion, Sprint, Vanish, Cold Blood, Shadowstep and Premeditation abilities.

Reduces the Energy cost of your Cheap Shot and Garrote abilities by 10. Additionally, your special abilities cause 10% more damage against targets below 35% health.

An instant strike that deals 110 / Sinister Calling: 111 / Sinister Calling: 112 / Sinister Calling: 113 / Sinister Calling: 114% weapon damage and causes the target to hemorrhage, increasing any Physical damage dealt to the target by up to 13. Lasts 10 charges or 15 sec. Awards 1 combo point.

Attacks made while stealthed and for 6 seconds after breaking stealth cause an additional 4% damage.

Increases your attack power by 2%.

Increases your chance to avoid area of effect attacks by an additional 5%.

When used, adds 2 combo points to your target. You must add to or use those combo points within 10 sec or the combo points are lost.

You have a 33% chance that an attack which would otherwise kill you will instead reduce you to 10% of your maximum health. In addition, all damage taken will be reduced by up to 90% for 3 sec (modified by resilience). This effect cannot occur more than once per minute.

Increases your total Agility by 3% and increases the percentage damage bonus of Backstab and Hemorrhage by an additional 1%.

Attempts to step through the shadows and reappear behind your enemy and increases movement speed by 70% for 3 sec. The damage of your next ability is increased by 20% and the threat caused is reduced by 50%. Lasts 10 sec.