"Any card—so long as it exists—has a power that is needed."

theabcsofjustice:

DUDE YOU JUST APPEARED OUT OF NOWHERE IN HIS ROOM AND THEN CREEPILY ATTACKED HIM. I THINK HE HAS PLENTY OF REASON TO BE ALARMED BY THIS

Iirc, cards were already getting infected with Darkness outside of Duel Academia before now and that was why Pegasus had O’Brien investigating it. But it looks like Agent Smith is targeting people now as well who are feeling negative emotions. :\