"It commemorates Gavail Kespan. He died defending the capital during the Wanderers' Siege."
―Nadia Grell[src]

The Wanderer's Siege was a conflict that occurred on the planet Sarkhai where the Sarkhai Gavail Kespan fought to defend the capital city. Kespan gave his life during the conflict, and the Annex of Kespan was built to commemorate his sacrifice for centuries to come.