Six Tail Shadow Fox (六尾黑魔 Liuwei Heimo) is a Shadow Fox that possesses Luolan, teaching her to use Repossess Resurrection to revive Pingqiu Yuechu. She almost manipulates Luolan into sacrificing her life to resurrect Pingqiu so that she can take over Pingqiu's body and control the Tear Void for herself.
Fox Spirit Matchmaker Wikia