Bone-Eater's Well

The Bone-Eater's Well is a well found in the shrine that Kagome lives at in the present day it is hidden inside one of the buildings of the shrine which is usually kept locked up. In the feudal age it is located in a small forest clearing the well is used to to dispose of bodies of demons and monsters but it also has the purpose off been used as a gateway between the present day and the feudal age. Humans are unable to pass through the well unless they have in their possession one of the shards of the Shikon no Tama although demons such as InuYasha or the Mistress Centipede do not require one of the shards to pass through.

In the InuYasha Franchise, The Bone-Eater's Well is a mystical well used initially to dispose of the bodies of demons and monsters, whom proved near unbeatable. (i.e. mistress centipede due to her constant resurrection) The Bone-Eater's well is a major aspect in the series due to it's ability to act as a portal between the past and the future. This is obviously invaluable to Kagome who transits via the Bone-Eater's well to go to the feudal era and back, (as well as Inuyasha)