Sound a war horn to rally your forces, increasing Max Magicka, Health, and Stamina for you and your allies by 10% for 30 seconds.
You and your allies also gain Major Force, increasing your Critical Strike damage by 30% for 8 seconds.
Critical Strikes do more damage.
U6: This ability now grants the Major Force buff for 8 seconds instead of granting bonus weapon damage. We also adjusted the visuals for this ability to help improve performance and visual clarity. 
U6: All ranks and morphs of War Horn now grant the Max Health buff.