Ben cocked his head to the side, studying Starkiller a moment as he explained what had happened. "...Who was your master, if I can ask?" He mentioned the Empire. The only time Ben had heard that term was when Luke or Leia discussed it. The situation was after his time, which meant this Sith was from his future.
Knowing names might help both young Skywalkers in their endeavors should when they returned home. Or so Ben hoped.
Palpatine. Obi-Wan stiffened at the mention of the man, eyes going dark as he realized the boy was from not long after his own time. Perhaps even from his own time.
"Perhaps it is time we introduced ourselves. My name is Obi-Wan Kenobi. And you are?"