Faction Challenges are here!
The new, exciting series of events puts you in the center of the action. Each Faction Challenge will have you select one of two warring factions and march its armies to victory over a week of intense skirmishes. A Premium Card will be granted to the team who wins the most battles and 100 Meteorite Powder will be granted to the losing faction.
In order to receive the reward you should select one of the warring factions, win matches as that faction — your total win count with faction A needs to be greater than with faction B and check If your faction wins or loses the Challenge in order to receive a Premium Card or 100 Meteorite Powder in each case respectively. You can monitor the challenge progress real-time on playgwent.com.
For additional information and details you can also check out the Official Page.