Luke's Dagobah training was more hardcore than what was shown in Empire Strikes Back alone. In Legends, Yoda pushed Luke to face deadly dangers beyond physical exercise and the Cave of Evil. Episode V didn't fully depict Luke's intense Jedi training, including his intense sparring sessions with Yoda.

Luke Skywalker's Dagobah training was more intense than what was shown in Empire Strikes Back alone. In Episode V, much of Luke's training consists of running, jumping, handstands, and failing to lift his X-Wing out of the swamp. However, the full extent of his training was far more hardcore, with Master Yoda pushing his apprentice to his very limits in the Star Wars timeline.

As seen in Legends' Star Wars Adventures: Luke Skywalker and the Treasure of the Dragonsnakes by Tom Taylor and Daxiong, Yoda and his apprentice venture forth into the depths of the swamp planet to retrieve a stolen egg from the King Dragonsnake,...