Hextech Overcharge is a high-tech, arcane-powered 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 surrounded by rotating rings that emit a pulsating light. The surface is polished with intricate engravings of arcane symbols, and the crystals are translucent with a vibrant, luminous glow, suggesting immense magical energy.