Duel on Cloud City/Legends

"'No. I am your father."

- Darth Vader

The Duel on Bespin was a fight between Luke Skywalker and Darth Vader during the Galactic Civil War. Some fans have considered this one of the best lightsaber duels in Star Wars next to the Duel on Mustafar. It is during this time that Darth Vader makes his stunning revelation to Luke Skywalker revealing that he is his father.

Prologue
After Han Solo, Leia Organa Solo, Chewbacca, and C-3P0 were captured by the Empire after trying to seek refuge in Lando Calrissian's Cloud City, Luke disobeyed Yoda and Obi-Wan Kenobi and set off to rescue them. Vader was tracking Luke once he entered Cloud City. And Luke entered, he was looking around with R2-D2 when all of a sudden Boba Fett fired around a corner to hold him off.