After the Great Cataclysm, they were the ones who oversaw the construction of Shinjuku Babel. Though they all share the same goal of bringing about humanity's resurgence, many of the Philosophers possess different beliefs about how the world should be run.
Leader of the Order of Messiah. Judah is associated with the 'Law' Alignment.
Leader of the Cult of Gaia. Doukan is associated with the 'Chaos' Alignment.
Leader of Protopia, the neutral city. Justice is associated with the 'Neutral' alignment.
|Characters||Protagonist - Azura - DB Mikanagi - DB Kano - DB Kuroe - DB Yamaguchi - Kuzaka The Wise - Lord Judah - Madam Justice - Lord Doukan - Ogami - Setsu - Snakeman - Yamamoto the Steel-Willed - Louis Cyphre|
|Locations||Arcadia - Cathedral of Shadows - Ichigaya - Ikebukuro - Nakano - Protopia - Second Home - Shibuya - Shinagawa - Shinjuku - Shinjuku Babel - Souhonzan - Suginami - Third Home - Ueno|
|Dungeons||Suginami Tunnels - Basilica|
|Music||"Amatsuchi" - "Haru Megido"|
|Terminology||Cult of Gaia - Demon Buster - Great Cataclysm - Innocent - Millennium Kingdom - Obelisk - Order of Messiah - Seven Philosophers - Yagi - Chain of Curse|
|Archives||Demons - Skills (Features)|