The strength of the Fox King of Seven Sins was stronger than even Mu Qingyi in her complete victorious state. Mu Qingyi, with her ability to control five elements, wasn't the match of the Fox while leading the battle with the Crowned Phoenix King and being surrounded by other Invincible Emperors. This revealed just how terrifying the strength of this Fox of Absolving Sin, the guardian of the Demonic Realm, truly was.
Therefore, entering the Demonic Realm, Chu Mu and others would certainly not choose to enter from a location guarded by the Fox King of Seven Sins; instead, they opted for another ancient path with special prohibitions to sneak in.
