Home/Events/Siege of CthoniaEvent ยท M31Siege of CthoniaSiege of CthoniaSee where Siege of Cthonia occurred on the galactic map during the Horus Heresy.Open in universeLocationsCthoniaInvolved charactersEzekyle AbaddonFalkus KibreGarviel LokenHastur SejanusHorus AximandHorus LupercalIacton QruzeKenor ArgonisLion El'JonsonMaloghurstRogal DornSeverianTarik TorgaddonTybalt Marr