Fairy Tail

A team composed of Natsu Dragneel, Lucy Heartfilia, Happy, and later joined by Gray Fullbuster, embarks on an S-Class Request (without permission from Makarov) to lift the curse on Galuna Island. Upon exploring that island, they discover a temple with underground ruins that hide the ice prison of the Demon of Disaster, Deliora. (Source: Fairy Tail Wiki)