The Swan Cloud Method is a Life Wheel Merit Law. It was created by Nine Saint Virtuous Paragon specifically to go with the Phoenix Bearing Method.
Later on he left both Merit Laws in the Nine Saint Demon Gate.
Li Shuangyan cultivated the Swan Cloud Method in tandem with the Phoenix Bearing Method. Even Li Qiye admitted that these two Merit Laws were the most suitable for her.
Links 1 Mention(s) of Swan Cloud Method