Prompt: A towering Thanos mecha robot, forged from obsidian and adorned with his signature gold armor plating. Its immense form looms over a battlefield, its glowing purple eyes radiating an aura of power and ruthlessness. The Infinity Gauntlet, encrusted on its massive right hand, pulsates with the raw energy of the Infinity Stones. Its mechanical arms, each equipped with an Infinity Stone-powered weapon, crackle with energy, ready to unleash devastating attacks. Behind the mecha's helmet, Thanos's determined gaze burns with unwavering resolve, fixated on his goal of achieving universal balance at any cost.