Furor in WoW Forever

Gives you a 20% chance to gain 10 Rage when you shapeshift into Bear Form or Dire Bear Form. When you shift into Cat Form, you will regain 20% of the Energy you had when you were last in Cat Form, plus 2 Energy for each second you spent not in Bear Form, Cat Form, or Dire Bear Form, up to a maximum of 20 Energy.