Well, in many such fanfictions, Gaara might use his sand powers. He could sense Naruto is in danger through his connection to the sand or his own instincts. Then, he'd quickly move in, using his sand to shield Naruto from any attacks by the Akatsuki members, like blocking their jutsu with his powerful sand barriers.
One great example could be a fanfiction where Naruto has to battle a powerful new enemy who has kidnapped Gaara. Naruto uses his new jutsu and his unwavering friendship to break through the enemy's defenses and save Gaara. Another might be a story set in an alternate universe where the circumstances of Gaara's capture are different, but Naruto still goes to great lengths, even sacrificing his own safety, to rescue Gaara.
One reason is their friendship. Naruto was one of the first people to see Gaara as a person, not a monster. So, Gaara would feel indebted to Naruto and be willing to risk his life. Another reason could be for the sake of the ninja world. Naruto is often seen as a key figure in maintaining peace, and Gaara, as a responsible leader, would understand the importance of saving him.
Their relationship would likely deepen with trust. Naruto would be extremely grateful to Gaara for saving him, and this would strengthen their bond. They might start sharing more about their past traumas and how they overcame them.
A common plot point is danger. Fem Gaara is often in some sort of life - threatening situation, like being attacked by enemies. Naruto then uses his skills, such as his Rasengan or his ability to make friends out of foes, to save her.
Well, a plot point that often appears is that Naruto is in a fight where he is clearly outmatched. Gaara steps in not just to save Naruto physically but also to save his spirit. Maybe Naruto is starting to doubt himself, and Gaara's timely arrival and words of encouragement along with the rescue remind Naruto of his own strength. And sometimes, the fanfiction might explore how this event changes the relationship dynamics between the two villages that Gaara and Naruto represent.
In one possible fanfiction, Naruto could be in a dangerous battle against a powerful enemy. Gaara, using his sand powers, might swoop in just in time. He could create a protective shield of sand around Naruto, blocking a fatal attack. Then, together they turn the tide of the battle, with Gaara's strategic mind and Naruto's unwavering determination.
The friendship between Naruto and Gaara is a major factor. Their bond is unique in the Naruto universe. Fans love to see Naruto's determination to save Gaara, as it shows the depth of their connection. It's also about the action. The idea of Naruto using his cool ninja skills to rescue Gaara is exciting.