HALO 303: THE FORERUNNER ENIGMA

Deep within the archives/ancient data vaults/cryptic records, a fragment/cipher/message of staggering importance/magnitude/significance has been unearthed. This discovery/revelation/clue, known as Halo 303, hints at/reveals/unveils a dark/hidden/forgotten chapter in Forerunner history. Legends speak of a powerful/ancient/enigmatic artifact, lost/st