Capture the essence of a guardian of life-data archives in a future where consciousness is stored post-mortem. Her attire is a blend of ethereal drapery and futuristic life-support systems, adorned with symbols of life and decay. One eye reflects the vibrancy of life, the other the stillness of death. Incorporate a device that can access and restore archived consciousness. Colors: green, black, and silver. Capture the essence of a sentinel at the nexus of life and the afterlife.