Berserk

This one: Increases the caster's attack speed by 150% and all damage it deals….

• Berserk · spell 26662 · Increases the caster's attack speed by 150% and the Physical damage…
• Berserk · spell 27680 · Increases the caster's movement speed by 150% and the Physical…
• Berserk · spell 417141 · Requires Cat Form, Bear Form, Dire Bear Form Causes your Primal Bite… · Druid talent
• Berserk · spell 424759 · Gain the Berserk ability: Requires Cat Form, Bear Form, Dire Bear…
• Berserk · spell 442211 · Lasts 30 sec. Requires Bear Form, Cat Form, or Dire Bear Form to…
• Berserk · spell 1289125 · Increases the caster's attack speed by 150% and the Physical damage…

Values as each build had them, not tested in play.

1. Forever 1.60.1.69913vs Era 1.15.9.69722
   Description, Era 1.15.9.69722

   Increases the caster's attack speed by 150% and all damage it deals by 901 for until cancelled.

   Description, Forever 1.60.1.69913

   Increases the caster's attack speed by 150% and all damage it deals by 900 for until cancelled.