"I know! Marquise! Wonder what that even translates to in their native tongue. Replacement-Time-Lord, most likely," the Doctor said, shaking his head. "I wonder where it came from, though. To be that strong and have stayed under the Time Lord radars for so long."

He rubbed the back of his neck in thought. "Eternals, maybe? Maybe some offshoot of the White Guardian? Seemed benevolent enough, though not nearly manipulative for White Guardian material..."