The Twins’ Shared Ending
The Fall of the House of UsherThe apparent death, concealed burial, and return of Madeline converge with Roderick’s terror in the destruction of both twins.
increasing
Bearing strength in each event
decreasing
A Twin Presence

The Last Two Ushers
Sole companionship
Roderick describes Madeline as his tenderly loved sister and his only remaining relative. Her illness is therefore both a personal loss approaching and a threat to the family line.
A shared history
The narrator later learns that the siblings are twins and have long experienced an obscure sympathy. Their kinship gives the ending a force that exceeds the death of either one alone.
Madeline’s Illness

A Cataleptic Condition
Uncertain symptoms
Madeline suffers wasting, apathy, and brief cataleptic episodes. Her physicians have not resolved the nature of the illness, leaving death difficult to distinguish from suspended life.
A fragile body
She continues to resist the illness until the evening of the narrator’s arrival. The symptoms establish the possibility that her apparent death may be mistaken for a final one.
The Coffin’s Secret

Life Behind the Iron Door
Burial without certainty
The narrator and Roderick place Madeline in a vault while her face still bears a faint blush. Her cataleptic history makes the appearance of death disturbingly inconclusive.
The hidden possibility
Roderick later admits that he heard movements from the coffin but lacked the courage to speak. The choice to delay ordinary burial becomes the twins’ decisive catastrophe.
The Return

Madeline at the Door
Escape from the vault
During the narrator’s reading, sounds echo from elsewhere in the mansion. Roderick recognizes them as Madeline’s struggle through the coffin and vault.
A terrible arrival
The chamber doors open in the storm, and Madeline appears wounded and exhausted. Her return confirms that the supposed burial was premature and makes concealment impossible.
The Twins’ Deaths

A Shared Catastrophe
Final collapse
Madeline falls upon her brother in her death agonies. Roderick dies beneath the impact, overwhelmed by the very terror he had anticipated.
A line extinguished
The deaths leave no surviving Usher relative. The twins’ end coincides with the mansion’s destruction, making their private tragedy inseparable from the family’s extinction.
During Roderick’s first account of his family
Before and during the narrator’s arrival
Several days after Madeline’s reported death
The final stormy night
Immediately after Madeline reaches the chamber