The Jötunn is a high-detail, exotic fusion rifle with a sleek, futuristic design, featuring a predominantly metallic body with glowing orange accents that suggest intense heat. Its form is angular and symmetrical, with a prominent, elongated barrel and a robust frame that houses its fusion core. The surface is a mix of smooth, polished metal and textured, heat-resistant panels, with intricate engravings that hint at its Norse mythology-inspired origins. The weapon emits a subtle, luminous glow from its core and vents, indicating its powerful energy-based attacks.