Usage Travelling between the Soul Society and the World of the Living
Used By Soul Reapers

The Senkaimon (meaning "World Penetration Gate") is the dimensional gateways which Soul Reapers use to enter and leave the Soul Society by unlocking it.


When guided by a Spirit Butterfly, the Senkaimon takes the form of a waiting room entered through a sliding door. This was first seen used by Renji Abarai when he opens the Senkaimon by Byakuya Kuchiki's command. He opened the Senkaimon for Byakuya, himself and Rukia Kuchiki. The Senkaimon is used for Soul Society citizens (Soul Reapers, Souls, Zanpakutō Spirits, etc.) Humans can also use such a gate through the use of Reishihenkanki (meaning "Spirit Exchangers"), which convert solid matter into spirit particles.

The Tenkai Kecchu (meaning "World-Shifting Binding-Posts) is a variant on this gate by using four linked points to create one spiritual unit of area radius that swaps something that it encircles with something else in Soul Society, as is done to Karakura Town to prevent Sosuke Aizen from destroying it.

Intruders can pass through the Senkaimon in the same manner. While this method uses the same gate, the lack of a Jigokuchō forces intruders to pass through the Precipice World (also known as "Dangai"), a bordering dimension between the World of the Living and the Soul Society (not to be confused with Hueco Mundo). This is much more dangerous to do, as souls that cannot pass through before the gate to Soul Society closes are trapped there forever. It is possible for the Seireitei to deactivate these mechanisms, allowing Shinigami or Humans to traverse the Dangai safely. While the Senkaimon is run by the Kido Corps, some high ranking Noble Families have been shown to have private Senkaimon.

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