Giving Sif the briefest looks of astoundment considering he had never been her favorite person, Loki nodded and slashed his hand through the air. An opening appeared and they ushered themselves into the darkness without conversation. Once inside, Loki sealed off the entrance just seconds before guards turned the corner where they'd previously been standing. Fully ensconced in the darkness, Sif and Loki waited with baited breath for his magical strength to return.