One common plotline is Ichigo trying to get his powers back. He might embark on a quest, perhaps traveling to some hidden or dangerous places. Another is that he discovers new latent abilities within himself that he didn't know about before his power loss.
Well, in many fanfics, when Ichigo loses his powers, he often has to start from scratch. He might go through a period of self - discovery. Maybe he tries to find new ways to protect his friends without his Shinigami powers. He could get involved in more human - related affairs, like using his martial arts skills or his intelligence in a different way.
Another way Ichigo could get his powers back in fanfiction is through a magical or spiritual artifact. Maybe he discovers an ancient sword or a talisman that has the ability to restore his lost powers. This could be part of a grander plot where he has to go on a quest to find this item, facing various challenges and enemies along the way. During this journey, he might also learn more about the true nature of his powers and how they are connected to the overall 'Bleach' universe.
One possible fanfic could be where Ichigo discovers new and enhanced Quincy powers that he didn't know he had. He might struggle to control them at first, causing some chaos in the Soul Society. But as he trains and learns more about his Quincy heritage, he becomes a more formidable force against the Hollows and other threats.
His Quincy powers could develop as a result of a new threat in the Bleach world. For example, if a powerful Quincy villain emerges who has a connection to Ichigo's past, he would be forced to dig deeper into his own Quincy abilities. He could learn new techniques like advanced Quincy arrow formations or the ability to manipulate spiritual energy in ways unique to the Quincy. This development could also lead to some interesting interactions with his Shinigami powers, creating a new and powerful hybrid fighting style.
Their powers could be combined in a way where Ichigo's Zanpakuto spirit, Zangetsu, and Halibel's water - based powers merge. For example, Ichigo could gain the ability to use water - enhanced slashes that have the cutting power of his normal attacks along with the fluidity of Halibel's water attacks.
In some fanfictions, there could be new characters introduced specifically for this arc of Ichigo getting his powers back. For example, an old and powerful soul reaper who has some special knowledge or ability related to Ichigo's powers. They could play a crucial role in guiding Ichigo, training him, or even sacrificing themselves to help him regain his powers. Additionally, villains would also be main characters in a sense. They could be the ones who initially took Ichigo's powers or are trying to prevent him from getting them back, thus creating the conflict in the story.
There's a fanfic called 'The Bond of Hearts'. It's set in an alternate universe where Ichigo and Orihime are childhood friends. It shows their relationship evolving over the years. It delves deep into their emotions and how they gradually realize their love for each other. The character development in this fanfic is quite engaging.
Ichigo would probably be devastated. His trust in relationships would be severely shaken. He might become more withdrawn and focus even more on his battles and training, using it as an escape from the pain of the betrayal. He could also become more cynical about love and people in general.
One aspect could be the psychological impact on Ichigo. If he's being brainwashed, he might lose his sense of self and his usual heroic nature. His relationships with his friends like Orihime, Chad, and Uryu could also be severely affected. For example, they might not recognize the brainwashed Ichigo and think he's turned against them. This could lead to some really intense and emotional scenes in the fanfic.