Considering Palau’s Earthwork Era (c. 450 BC to AD 850), the Badrulchau stone monoliths can be dated to c. 161 CE and are part of the thirty-eight monoliths on the islands of Babledaob and Oreor (Koror), twenty-eight of which had human features.



According to legends, stone monoliths are pillars that support the house of Bai meetings of the gods. The stones are not carved out of the island, but rather imported to symbolize the power of the ruling elites at that time. Similar artifacts are found in Yap and Tonga with rock samples pointing to Fiji and Samoa as sources.