Complex sentence: Along with the Nihon Shoki, the myths contained in the "Kojiki" are part of the inspiration behind many practices and myths later the myths were re-appropriated for Shinto practices including the misogi purification ritual.
Split into simpler sentences: Along with the Nihon Shoki, the myths contained in the "Kojiki" are part of the inspiration behind many practices. Later, the myths were re-appropriated for Shinto practices including the misogi purification ritual.