The Tenet Spirex is a high-detail, futuristic sidearm with a sleek, angular design, featuring a metallic body with glowing energy accents. Its form is asymmetrical, with a prominent energy core visible through translucent panels, and the surface is polished with subtle engraved patterns that hint at its advanced technology. The weapon emits a soft, pulsating glow from its energy channels, suggesting its readiness for combat.