Naraku's Barrier (奈落の結界, Naraku no Kekkai) was a protective shield used by the main antagonist of the series, Naraku. He used this barrier to hide and protect himself from the attacks and advances of his enemies. Some of his incarnations, such as the Infant, Hakudōshi and Byakuya, also employed this barrier, as they were "born" after its creation. Naraku's incarnations "born" before the creation of the barrier, such as Kagura and Kanna, were not able to employ it.