"Sister!" Luna cried in warning, as the Tide's psychic attack slammed down upon them. Shining Armor grunted and fell to his knees as his shield buckled, then shattered. The mind that had attacked was familiar to her, and Celestia was struck with the realization that it wasn't Malachite who was attacking them. The Tide was still very much in control of itself. Perhaps it somehow controlled the sprites, as well? 