Seeking to weaken their enemies, the Alliance conducts operations within the Dune Sea, in order to prevent their enemies from drilling for nerocite, an essential resource used as vehicle fuel. Despite difficulties in their final battle, the Alliance is aided by Gorgi, after he comes out of exile to assist in the conflict in his own personal fighter. Although the Xylvanians are driven out for good, Gorgi is mortally wounded by Vlad's right-hand man Kommandant Ubel. Before dying, Gorgi apologizes to Nova for his actions, leaving his son to vow for revenge for his father's death. Learning that the Xylvanians seek to invade the Solar Empire, Colonel Austin, a Frontier officer, has the Alliance make contact with its leader, Empress Lei-Qo, in order to offer assistance in repelling Vlad's invasion, in exchange for her assistance in invading Xylvania.