Raging Blow
Client records describe this reading. They do not confirm availability in gameplay.
Current client record
A ferocious strike that deals 115% weapon damage, but can only be used while Enrage, Berserker Rage, or Bloodrage is active. Each other melee ability used while Enrage, Berserker Rage, or Bloodrage is active reduces Raging Blow's remaining cooldown by 1 sec.
Sourced change history
No changes in the tracked log could be matched to this record. This does not mean the ability or item has never changed.