Create a close-up of Vegeta from the waist up, showcasing his muscular upper body and intense expression. He has his arms crossed in front of him, wearing futuristic mecha armor that fits tightly around his chest, shoulders, and arms, emphasizing his muscular physique. The mecha armor has a sleek, high-tech design with metallic details and glowing accents. His spiky hair stands upright with energy, and his sharp eyes exude confidence and power. The background is minimal and negligible, ensuring the focus remains entirely on Vegeta in his mecha armor, rendered in a 1990s retro anime aesthetic with bold, dynamic colors.