Superhero inspired by Ma Mian, the other guardian of the underworld in Chinese mythology, often depicted alongside Niu Tou. Reimagine him as an enforcer of cosmic echoes in a future where actions reverberate across galaxies. His attire melds underworld aesthetics with advanced echo-tech designs, adorned with ripple patterns. His aura pulses with the resonance of cosmic consequences. Incorporate a blade that can amplify or mute any cosmic reverberation. Colors: echo ebony, edge emerald, and enforcer eggplant. Capture the essence of an enforcer ensuring the harmony of cosmic repercussions.