The Khaydarin Forge is a high-tech Protoss structure with a sleek, futuristic design, featuring a central glowing core made of Khaydarin crystal that emits a vibrant blue light. The structure is composed of smooth, metallic surfaces with intricate golden engravings that depict Protoss hieroglyphs, symbolizing its ancient and advanced origins. The forge has a symmetrical, geometric shape with angular protrusions that serve as energy conduits, giving it a formidable and otherworldly appearance.