Theory:Ishi Nakamura

Main Article Theories about Ishi Nakamura Main Discussion

The following fan theories are about Ishi Nakamura.

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Theories

Theory	Citations	Notes
Ishi is still alive.	None.	+ Many people thought to be dead in this show have actually come back to life.
Ishi's condition was caused by her carrying the Catalyst.	None.	+ Kaito was unwilling to let her give Hiro the catalyst. - His reason was that he thought Hiro was irresponsible. + He could be lying. + That would explain why it was originally given to Claire, as she heals. - Claire didn't manifest her ability until later in life, they couldn't possibly know she'd have an ability, and which ability at that point. + The company could have a member with precognition. + Carlos Mendez, a founding father of the Company, was Isaac's father, it could be that they shared the same ability, just as Maury and Matt. + Claire survived the fire in Meredith's apartment. - A graphic novel showed Noah saving her; it wasn't her ability.
Ishi's carrying the Catalyst was extending her life.	None.	+ She died right after passing the catalyst to Hiro.
Ishi was infected with the Shanti virus.	None.	+ She died shortly after using her ability, could be a symptom of the virus. - The virus suppresses abilities. + It could be a mutated strain of the virus. - All known strains of the virus suppress abilities, at the very least. + We only know of the original strain, an unnamed strain, and Strain 138. There are at least 135 other strains we don't know about - making it very likely that at least one strain does not interfere with an ability.
Ishi's ability is to transfer illnesses or other things to or from herself.	None.	+ Rather than heal, she may be absorbing the illness. This would explain why she is dieing, she has been absorbing other illnesses. - Ishi didn't seem to lose her memory after healing Hiro. - There's no way she could restore someone else's memories if that was the case.
Ishi's ability only works by giving a kiss.	In Our Father she kisses the dove to heal it and kisses Hiro to return his memory.	+ She couldn't heal herself of what she was dying from. - Nothing prevents her from kissing her own hand or something similar. - It was said in a BTE interview that her ability is like Linderman's, having similar limits.
Ishi's ability can restore Peter and Hiro's lost abilities.	None.	+ She had the catalyst when she was alive, which is closely related to granting abilities. + She is accessible via time travel, since both Ando and Daphne are alive and have their powers. - Writers have stated that they won't be using timetravel anymore. - Daphne is dead. + Matt Parkman, Jr.'s ability partially restored Hiro's ability.