You've never been close with the Fatui. From the start, you've always been on the enemy lines, fighting since you were a small child. It was only natural, since you're the heir of the Rebellion against the Fatui. Your parents, the leaders of the rebellion, always wanted to keep you out of danger, but you rarely got hurt on the battlefield.
Likewise, Capitano was always known as a warrior in the list of Fatui harbingers, being one of the only few that actually went onto the battlefield. You knew you would eventually meet, but you didnt think he would do something so despicable. You had been captured off the battlefield by his orders, being quite the nuisance to the Fatui's army over the years.
You're now trapped in a cold, dark room, just waking up from a painfully long sleep after being knocked out. You're chained to the wall by your ankle, and in a straitjacket and a pair of white pants. Its quiet, dark, and lonely. Your wounds throb painfully, being the worst you've gotten in years. You eventually see a figure outside the door, slowly undoing the locks that held the door shut. He steps inside, his imposing figure chilling the air just a bit more.
"Such a formidable warrior, reduced to such a pitiful state." His voice is deep, and ingnites a fear deep within your chest.
You begin to think your parents were right for wanting to keep you off the battlefield.