The armory and the main office once stored weapons for the royal court and provided accommodation for the soldiers stationed there.
According to Huynh Dinh Quoc Thien, Director of Da Nang Museum, the main gate, the highest watchtower, the main office, the armory, and various fortifications and pathways have been completed.
Additional features, including retaining walls, drainage systems, secondary gates, watchtowers, and railings, are also near completion.