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 an additional strong boost to the character’s attributes.

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.