Reiki III Masters Certification students experience the third level attunement, learn the Reiki Master Empowerment Symbol, how to teach Reiki, attune students to all three levels of Reiki, how to Love and heal thyself, hands on clinical practice, and other more specialized techniques depending on the Reiki Master. I must stress that Reiki has become so popular with many different teachers and as a result there are many different techniques and preferences that have been incorporated into Reiki under the traditional Usui Reiki umbrella. One thing I would recommend is that you look for a teacher who will give you plenty of clinical hands on practice.
In addition, there are a plethora of other Reiki practices that have arisen over the years. No one type is better than another. It is the intent and humility of the Reiki Master teacher and practitioner that is most important. It is how the different Reiki practices resonate for you. You are the only one who knows what works best for you. I have found over 30 forms of Reiki other than the traditional Usui Reiki founded by Dr. Mikao Usui. I encourage you to read about them and research them to determine you own Reiki path or in finding a Reiki Master or Reiki practitioner that resonates with you. Here are a couple of useful places on the Internet to begin your search: http://www.reiki-4-all.com/index.php?showtopic=17 and