The Hextech Transmogulator is a high-tech, arcane device with a sleek, metallic body adorned with glowing blue hextech crystals. Its form is a combination of geometric precision and organic curves, featuring a central core encased in a rotating, angular frame that emits a soft, pulsating light. The surface is polished to a glossy finish, with intricate engravings that hint at its magical and mechanical hybrid nature. The device is handheld, with a comfortable grip and a trigger mechanism that activates its transmutation capabilities.