At its heart, Star Wars will always center around the fall of Anakin Skywalker. The franchise continues to branch out into new directions, breaking free of the Skywalker saga fitfully and sometimes by sheer necessity. However, George Lucas always envisioned the story as Anakin's tragedy, and ultimately his redemption. It forms the franchise's bedrock, which cemented its success and ensured its status as a pop-culture evergreen. It makes his return in Ahsoka Season 1, Episode 5, "Shadow Warrior" a big talking point among Star Wars fans, bringing new insight into both his relationship with Ahsoka Tano and his own divided nature.
Source：https://www.cbr.com/star-wars-darth-vader-saved-anakin-skywalker/
