The Siege of Vallera was a bombardment performed by then Governor Klave of the Imperial Remnant. Furious over the capture over his son, Kuole, Klave destroyed hangers and starports to devastate trade before moving onto destroying Black Sun facilities whereever he could. When Kuole still was not recovered, he ceased the blunted scapel approach and bombarded a section of the city to cause public opinion to sway against Black Sun. Mazzik found Kuole within one of the last and most secure Black Sun facilities. With Storm Commando's and other Agent support he moved in to retrieve Kuole. Ended up rescuing Zayri also, and Kesjiu barely escaped alive. Klave annhilated the Black Sun base entirely afterwards. Ultimately, Kesjiu's indecisiveness with Kuole that brought about his and Black Sun's downf