Towering Pays Valhalla: Slot Features in Towering Pays Valhalla include Mega Tower Magic, Stage Play, Prize Multipliers, ทดลองเล่นสล็อตฟรี and a Feature Trail where four rounds of free spins are unlocked – a little like Thunderstruck II. Mega Tower Magic revolves around Towers (stacks) of special golden symbols, grouped on reels 1, 2, and 3 in the base game. When Towers hit, they transform into regular paying symbols and also lead into other features.