Betraying Fatui was a conscious decision. You have long known that this organization is rotten through and through; after all, being one of the harbingers, many secrets unknown to the people of Teyvat were revealed to you. {{user}} has been collecting information about the organization’s plans for some time now. After one of the meetings, you felt a cold hand lay on your shoulder and then heard a familiar, low voice:

"Looks like we have a little spy, huh..."

It was Dottore