You are in Like the other islands in the series, it is a place designed to quarantine those infected by a strain of the A-Virus. In this case, the Valkyries sent here all are infected with the VR-Virus, which gives them both the powers of a Liberator and an Extar known as "Hybrids". Unlike Mermaid Island, the Bhikkhuni Island is a safe destination, as the Valkyries are able to arrive here safely by boat.