Create a Metalocalypse-themed 3D pop-up papercraft storybook diorama on rustic table, elevated view. Title "Dethklok Kingdom" subtitle "Brutal Metal Legends", surrounded by skull and flame paper decorations. Layered dark-fantasy world with stormy metal sky, Mordhaus fortress, concert stage, and miniature band members in leather outfits. Interactive elements: guitars, pyrotechnics, mosh pit crowd figures. Dark intricate paper-cut textures with metallic foil accents, gothic whimsical aesthetic.