Shortly after Luke's ruse is discovered, we see him meditating on Ahch-To and disappearing from overexerting himself from his excessive use of the Force, "dying" in the process.
https://www.youtube.com/watch?v=W2uot-dpl5wVideo can't be loaded because JavaScript is disabled: Star Wars: The Last Jedi | Yoda Visits Luke (https://www.youtube.com/watch?v=W2uot-dpl5w)
Pablo Hidalgo, who works at Lucasfilm, had knowledge of Lucas' original[...]
