Moving beyond the past is like cleaning out a cluttered attic. As each box is opened, the emotions and experiences that accompany its contents begin to manifest. Do not resist the emotions of love, hate, regret, sadness, joy, depression, or even revulsion that may surface but rather allow them expression in the realization the experiences associated with these memories helped you evolve to where you are today.
Transcending the belief in two powers is an important part of everyone's evolutionary process, and you are ready for it. The world is filled with people, ideas and things that claim to have power for good and evil, which in reality are simply the two ends of the belief in duality.