Key of the Starry Heavens Fairy Tail : Season 3 Episode 36

After Legion makes off with Lucy's key, the only thing the members of Fairy Tail can do is search for clues to figure out Legion's objective and the purpose of the memento from Lucy's father. They head to Lucy's old family mansion, but as soon as they discover a hint, two more Legionnaires crash the party... and one of them is an Exceed!