Ryutamago Fortress

Ryutamago Fortress(竜卵要塞) (Sairia-Nosharu-Heka)(サイリア・ノーシャル・ヘカ) was a fortress attached to the Abriel city ship and was incorporated into the Imperial Capital defense force. That meant that it was one of the eight heads of the dragon of the Imperial Palace. It was where the headquarters of the Imperial Capital defense force was established. It attacked the enemy fleet from the second wave in defense of Lakfakalle and was subsequently blown up.