Claustrum (99)

クラウストルム

Trial of the Magians
Upgraded from Claustrum (95) via the Staff Trials:
 * Trial 3582: Obtain 5 vials of Umbral Marrow

Historical Background
In Latin, a claustrum refers to an "enclosed space" or a "barrier". In medicine, it is a thin layer of grey matter within the brain. Its function is not completely known, but it is theorized to be a key component of consciousness.