In fanfiction, the 501st might protect Ahsoka by using their combat skills. They are a highly trained group, so they can form a perimeter around her during battles, fending off enemy attacks. For example, they could use their blasters to take out any approaching threats and use their strategic formations to keep her safe.
In some fanfictions, Ahsoka might hurt Anakin emotionally by choosing a different path in the Jedi Order that goes against his teachings or expectations. For example, if she decides to side with a group that Anakin doesn't trust, it could create a rift between them.
In some fanfictions, Ahsoka might save the Jedi Order by uncovering a hidden conspiracy within the Senate that was targeting the Jedi. She could use her skills as a former Jedi and her unique perspective outside of the Order to expose the plot and gain support from key figures to prevent the downfall of the Jedi.
In fanfic, Ahsoka's survival could be due to her prior experiences outside the Jedi Order. She has learned to be independent and resourceful. When Order 66 occurs, she has already established some non - Jedi relationships. These relationships come in handy as she is able to call upon these allies for help. Some of them might be smugglers or bounty hunters who are not directly affected by Order 66. They help her by providing transportation off - planet or by hiding her from the clones' search parties.
In the fanfiction, Anakin may use his sense of humor to cheer Ahsoka up. He could make a light - hearted joke about the situation. For example, if she's upset about a mission gone wrong, he might say 'Well, at least we learned what not to do next time, right? And that's a victory in itself!' This would make Ahsoka see the positive side and feel better.
Well, in many fanfics like this, she might use her Force abilities. Maybe she uses telekinesis to stop debris from hitting the clones during the crash. She could also sense where they are in the chaos and lead them to safety.
She might become the supreme commander through her exceptional combat skills. In the Star Wars universe, Ahsoka has proven herself in many battles. Her lightsaber skills, strategic thinking, and ability to lead troops could earn her the title.
In this fanfic, perhaps Ahsoka might use their past connection. She could remind Vader of the good in him, of Anakin Skywalker. By showing him that there is still a chance for redemption and by appealing to the remnants of his former self, she starts to turn him good.
Ahsoka resists mind break through her strong will. She has been through a lot as a Jedi, and that has toughened her mental state. Her connection to the Force also plays a big role. She can use it to shield her mind from external influences.