World of Warcraft: Forever · Rogue · Assassination talent · tier 4

Cold Blood

changed · 1 rank in Classic Era, 1 rank in the Forever beta.

Rogue talent calculator · Every Rogue spell and talent change

Classic Era against Forever

Compared at the top rank each game has, since that is what a fully trained talent does.

Cold Blood at its top rank

Classic Era

When activated, increases the critical strike chance of your next Sinister Strike, Backstab, Ambush, or Eviscerate by 100%.Instant · 180 sec cooldown · Self

Forever beta

When activated, increases the critical strike chance of your next Sinister Strike, Backstab, Ambush, Eviscerate, or Mutilate by 100%.Instant · 180 sec cooldown · Self

Other Assassination talents

Improved Gougetier 1
Remorseless Attackstier 1
Malicetier 1
Ruthlessnesstier 2
Murdertier 2
Improved Slice and Dicetier 2
Relentless Strikestier 3
Improved Expose Armortier 3
Lethalitytier 3
Vile Poisonstier 4
Improved Poisonstier 4
Vigortier 5
Mutilatetier 5
Improved Kidney Shottier 5
Seal Fatetier 6
Venomtier 7

Source: World of Warcraft: Forever game data (1.60.1.70205) and of the current Classic Era client, matched by talent id. Nothing here comes from a third party.