A theme that can't be ignored is grief. His death would cause intense grief among his comrades, family, and allies. This grief could be a driving force for some characters to seek revenge or to carry on Ichigo's unfulfilled dreams. Also, the theme of the afterlife might be explored, like what happens to Ichigo's soul after he dies.
In a dying romance fanfiction, a common theme is distance. Physical or emotional distance can slowly kill the relationship. For instance, if one character has to move away for work or study. Another theme is jealousy. It can create rifts and misunderstandings, leading to the decline of the romance. Also, the theme of changing personalities. If one or both characters change in ways that are not compatible with the relationship, it can contribute to the dying of the romance.
One common theme is their friendship. They are comrades in the Bleach series, so many fanfictions explore their bond further, like how they support each other through tough times.
One common theme is sacrifice. Female Merlin often sacrifices herself for the greater good, like protecting Camelot or Arthur. It shows her selfless nature. For example, she might take on a powerful enemy alone to save the kingdom.
A common theme is the exploration of their dual natures. Since Ichigo has his own powers and the female hollow ichigo has her unique hollow characteristics, fanfictions often play with how these two different yet connected aspects interact.
One common theme is the battle between good and evil within Ichigo. His normal self represents the good, while Dark Ichigo represents the more primal and sometimes malevolent side. Another theme is self - discovery. As Ichigo grapples with Dark Ichigo, he often discovers new aspects of his own power and personality.
One common theme is her struggle with her Hollow nature. Since she is part Hollow, she has to deal with the dark urges and powers that come with it.
Common themes in 'loved ones dying fanfiction' are often related to emotional turmoil. There's the initial shock that the characters experience when they first learn of the death. Then there's the long - term process of coming to terms with it. Some stories may focus on how the characters' relationships with other people change as a result of the loss. For example, they might become closer to some characters who support them through the grief, or they might push others away. There can also be themes related to the afterlife, if the fanfiction involves elements of the supernatural, with characters wondering if their loved one is at peace or if there's some way to communicate with them.
Hope is an interesting theme that can be found in some 'ash is dying fanfiction'. Despite the fact that Ash is dying, there can still be a glimmer of hope. It could be in the form of a new treatment, a miracle, or just the strength that he finds within himself and his relationships to keep fighting until the very end.
The theme of legacy is also prevalent. Even in death, Merlin leaves behind a powerful legacy. His magic, his teachings, and his influence on Camelot continue to be felt long after he's gone. This can be seen in how the characters remember him and strive to uphold what he stood for.
Some fanfictions in this vein might explore the idea of legacy. Harry, knowing he's dying, could be concerned about how he'll be remembered. He might try to pass on his knowledge and values to the younger generation at Hogwarts. It could also show the impact of his illness on his relationships. His relationship with Ginny might be strained as they both struggle to deal with the reality of his situation.