Fairy Tail Episode 89 Subbed: The Doomsday Dragon Chain Cannon

Gray finally manages to defeat Sugar Boy after some hard times, and having/knowing what the key could do, he destroyed it, made an ice key, and Erza Knightwalker finds them and drags them up to the King. Afterwards, as soon as they get captured, it is revealed that Erza Knightwalker was actually Erza Scarlet and they get the guards to change the direction and shoot it towards the Lacrima. But before this happens, Erza Knightwalker intervenes and Natsu, Lucy, Gray, Erza with the help of Coco, manage to get saved and flee. Erza Knightwalker is furious as she sees them escape.