An unsealed piece of parchment with secret writings that contains details of a mission of the Firstborn for the Arbiters of Fate:
Task: Go to a battlefield of the past and win 4 series of 2 victories over an enemy team. The current victory series is reset if you finish the battlefield with a defeat or abandon the fight (draw and technical draw have no effect on the series), but the number of victory series remains. Reward: 96400-2755600 valour (by level), Sacrificial Coin 60 pcs., 60 points of Arbiters of Fate reputation, 800-5600 points of Trophy Hunter reputation (by level).
To abandon the mission, cancel the appropriate quest.