How to play Blood Rage Valhalla

About Blood Rage: Valhalla, from BoardGameGeek:

Occurring after Ragnarök ends the world, Blood Rage: Valhalla is a standalone sequel that will feature gameplay similar to the original 2015 Blood Rage, with the gameplay differences mirroring the game's new setting of Valhalla. Valhalla will feature many new, detailed miniatures for players to set against one another in combat.