Valhalla Upgrade provides an upgrade from King’s Bounty: Warriors of the North standard Edition to Valhalla Edition:

• King’s Bounty : Warriors of the North - Valhalla Edition includes Valhalla Armor Set: These unique in-game items are an armor set the hero can collect in the course of their journeys. Combined together these artifacts give additional a strong boost to the character’s attributes. 
• Digital artwork and wallpapers.
• Digital bonuses: Ultra-high resolution artwork depicting an epic battle of Olaf and the Valkyries against undead hordes, and wallpapers available in all popular desktop resolutions.

NOTICE: This content requires the base game King's Bounty: Warriors of the North on Steam in order to play.