In Star Wars, a rare few Force-sensitive beings were able to retain their soul and consciousness after death and become what are known as Force Ghosts.
In the final scenes of Star Wars: Episode III – Revenge of the Sith, Master Yoda (Frank Oz) alludes to how Obi-Wan Kenobi (Ewan McGregor) will come to achieve this power of immortality.
And it was Obi-Wan Kenobi (Alec Guinness) who was the first Jedi to canonically reveal himself as a Force Ghost in Star Wars: Episode V – Empire Strikes Back.
However, it was Star Wars: The Clone Wars that elaborated on the true purpose of why and how some Jedi become Force Ghosts after they die, and this information was delivered by the one and only Qui-Gon Jinn (Liam Neeson).
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