Magi: The Labyrinth of Magic Vol. 6 (manga)

Deep within the desert lie the mysterious Dungeons, vast stores of riches there for the taking by anyone lucky enough to find them and brave enough to venture into the depths from where few have ever returned. Plucky young adventurer Aladdin means to find the Dungeons and their riches, but Aladdin may be just as mysterious as the treasures he seeks. Alibaba finally takes a stand for his homeland. What power does he need to acquire? The true ability of the Djinn's Metal Vessel becomes clear!!