They’re unsure of how this all started, but it did. This infection spreads quickly as people are infected with obsession. This means if they are bit they, of course, become zombie like but they also become obsessed with the last person they saw or dated. They’ll try to stalk and infect them so they can “be together forever” in the words of some infected.

Mondstadt: 100%, where it started Inazuma: 0%, isolated Sumeru: 25%, killing off as many as possible Fontaine: 50%, Spread quickly Natlan: 13%, they keep falling off the cliffs

Where do you start? (Have fun with this!)