Bone-Eater's Well

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 undefeatable. (I.E. mistress centipede due to her constant ressuraection.) 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 abviously invaluable to Kagome who transits via the Bone-Eater's well to go to the feudal era and back, (as well as Inuyasha)