One of the fan favorite moments of Star Wars’ Ahsoka series, which concluded its Season 1 run on Disney+ last month, was the appearance of Hayden Christensen as Anakin Skywalker, and now Lucasfilm has officially revealed why the Jedi Knight appeared to his former apprentice as a Force ghost in the finale.
Source:https://www.cbr.com/star-wars-why-anakin-appeared-ahsoka-finale/