The key elements often include detailed descriptions of the war itself, character development during the conflict, and alternate timelines or outcomes.
Well, one notable storyline was when the War Doctor had to confront his own moral dilemma about the extreme measures needed to stop the Time War. Another was his interactions with other Time Lords and their differing views on the war's conduct.
There are also often other Time Lords and various alien species involved. The Time Lords play an important role as they are at the center of the Time War. Some of the alien species are either the enemies in the war or the victims caught in the crossfire. Their interactions with the War Doctor add depth to the stories. For instance, there might be a species that the War Doctor tries to protect from the Time War's destruction, which shows his compassionate side even in the midst of all the chaos.
It ties in with the series by building on existing storylines and adding more depth to the 'Doctor Who' universe. It might introduce new elements or offer alternate perspectives on familiar events.
The Doctor Who Rani fanfic related to the Time War can have stories that imagine intense battles, unexpected alliances, and maybe even time paradoxes involving the Rani. It's a wide range of creative takes on this theme.