Juju Chest

So far, we have only seen Calliope's juju chest. This is, as the name would suggest, where Cherubs keep their Jujus. Not much is known about the nature of Jujus yet, other than the fact that they can apparently leave enchantments, such as the ones on Calliope's and undyingUmbrage's shackles. Lil' Cal was called a Juju by undyingUmbrage, so it is possible that some alternate version of him belongs to at least one of these two cherubs