sentences:  When The Shadows successfully destroy all their assigned targets, Londo's mysterious association with a powerful military force earns him tremendous political advancement in the Centauri Republic.Refa sees him and his "associates" as the tools necessary to complete the transition of power; while he initially believes Londo to be a fellow sympathizer, Londo's escalating reservations about Refa's ruthlessness in the Centaurum lead Refa to consider disposing of him once he has outlived his usefulness.Later, this group stages a coup when the ailing Turhan pays a visit to Babylon 5.