The name of [[Okita Souji Alter (fate)|]]'s long katana.

Rengoku becomes personified as a small girl alongside [[okita souji alter (swimsuit saber) (fate)|Okita Souji Alter Swimsuit Saber]]. This tag is for the personification, not the actual weapon.

h4.Costumes

* [[rengoku (first ascension) (fate)|First Ascension]] (with Okita's [[okita souji alter (swimsuit saber) (first ascension) (fate)|First Ascension]])
* [[rengoku (second ascension) (fate)|Second Ascension]] (with Okita's [[okita souji alter (swimsuit saber) (second ascension) (fate)|Second Ascension]])
* [[rengoku (world excursion) (fate)|World Excursion]]
煉獄(Fate)