HALO: 303 - ECHOES OF A LOST WAR

Deep within the archives of the United Nations Space Command, a dormant conflict reaches out. A hidden Covenant artifact has been unearthed, revealing clues to a forgotten war fought centuries before – the war of Halo 303. The conflict, shrouded in secrecy, pitted humanity against a formidable foe, one linked to an unknown Covenant faction that