Challenge the Tide

Svanhildr wants to break the Oathbound offensive once and for all.

I need to burn three Covenant war banners atop the towers in the cliffs to rattle the Oathbound.

Quick walkthrough

 * 1) Burn the North Banner
 * 2) Burn the Central Banner
 * 3) Burn the South Banner
 * 4) Kill Gruznak the Impatient