The afterlife as a world, not a backdrop
Bangsian fantasy fails when the afterlife is merely decorative, a strange setting that does not do narrative work. Building an afterlife that functions as a genuine world means thinking through its physical laws, its social organization, its relationship to time and memory, and the specific way it changes the people who inhabit it. Does time pass in the afterlife? Do the dead age, or remain at the moment of death? Can the dead meet figures from different centuries, and if so, what does that encounter cost both parties? The answers to these questions determine what kinds of stories are possible in your afterlife and what kinds of change your characters can undergo. An afterlife with genuine internal logic generates its conflicts organically; one without it requires the writer to impose conflicts from outside.
Research as character foundation
The historical figures in Bangsian fantasy need to be researched deeply enough that the writer knows them as people rather than as reputations. This means reading primary sources where available, letters, diaries, contemporary accounts, rather than relying on the received version of the figure that history has compressed into a few famous acts or quotes. The goal is to find the texture of the person: their specific preoccupations, their characteristic ways of arguing, the gaps between their public self and what their private correspondence suggests. Historical figures are almost always more complicated than their reputations, and that complication is where Bangsian fantasy finds its material. The figure you have researched into genuine three-dimensionality is the one whose fictional afterlife will feel inhabited rather than performed.
The living protagonist in a dead world
Many Bangsian fantasies use a living viewpoint character who enters the afterlife, giving the reader a guide whose ignorance mirrors their own. The living protagonist serves a structural function: their unfamiliarity with the afterlife's rules creates natural opportunities for exposition that feel like discovery rather than explanation, and their presence among the dead creates inherent tension around whether and how they will return. The risk is that the living protagonist becomes merely a vehicle for meeting famous dead people, rather than a character with their own stakes in the afterlife's events. The living protagonist who has a specific reason to be in the afterlife, someone they need to find, something they need to understand, a reckoning they cannot avoid, is the one whose journey has its own momentum.
What death has taught them
The dead in Bangsian fantasy have access to information the living do not: they know how their stories ended, how their legacies were received, how the movements they started played out. This posthumous perspective is one of the genre's richest resources. A historical figure who can see, from the afterlife, what became of the ideas they died for, and who must reconcile that knowledge with who they believed themselves to be, is a character with built-in dramatic tension. The perspective of the dead on the living world should not simply confirm the historical figure's greatness; it should complicate it, add grief to it, or reveal the distance between intention and consequence that every life contains.
Tone and the comedy of eternity
Bangsian fantasy has a tonal range that extends from the gravely serious to the broadly comic, and the most successful examples often work both registers simultaneously. The comedy of eternity, Socrates having to share a waiting room with Napoleon, or Mary Shelley discovering what Hollywood did with her monster, is inherent to the premise and should not be suppressed in the name of solemnity. The tonal key to Bangsian fantasy is treating the premise seriously on its own terms while allowing the collisions between historical figures and afterlife logistics to produce genuine humor. The afterlife that takes itself too seriously forfeits the genre's comic possibilities; the one that is only comic forfeits its ability to say anything meaningful about the lives and legacies of the dead.
The unresolved legacy as narrative engine
The most productive material in Bangsian fantasy is the unresolved legacy: the historical figure whose work was contested, misunderstood, appropriated, or completed by others in ways they could not control. The dead figure who must live with the posthumous life of their ideas, knowing what was done with them, who claimed them, who was hurt by them, has a built-in source of conflict that does not require the afterlife to manufacture external threats. This is where Bangsian fantasy does its most distinctive work: using the premise of the afterlife to give historical figures the chance to encounter and respond to their own legacies, which is something the living can never do. That encounter should not resolve too cleanly; the complexity of legacy is the point.