A Reiki Energy Attunement eases soreness, aches, and pains. It may also boost the immune system and repair old patterns. Reiki, meaning Universal Life/Light Energy, is an ancient Tibetan healing energy rediscovered in 17th century Japan. It is drawn from the Reiki Masters of the Spirit, into the healer, to the client. Reiki works to bring healing to the whole being - body, mind, emotions, and spirit.