Doctor Strange Avengers: Endgame
Wise, secretive, serious, resourceful, steadfast, intelligent, unpredictable, sensitive, merciless, kind, friendly
Powers and abilities
Mastery at sorcery, immortality, martial arts skills
"The Infinity Stones create what you experience as the flow of time. Remove one stone and that flow splits. Now, this may benefit your reality but my new one, not so much. In this new branched reality, without our chief weapon against the forces of darkness, our world will be over run. Millions will suffer. So, tell me, Doctor, can your science prevent all that?"
Source Ancient One was the Sorcerer Supreme as well as the leader of the Masters of the Mystic Arts and the tritagonist of Doctor Strange. She was the mentor of Doctor Strange and keeper of the Eye of Agomotto, which contained the Time Stone