User blog comment:B1littlehero/Speculation of the Origin of Species/@comment-107.3.237.6-20140615233929/@comment-7622429-20140617002250

Or maybe the potential of what we would call "magic" was lost in time, as technology progressed and more and more of the natural world could be "scientifically explained". Perhaps, when the Traveler sacrificed itself, it also unlocked the potential within Humans, Exos, and Awoken to give them one final defense to combat the Darkness, which seems to be returning once again.