Leviathan (リヴァイアサン Rivaiasan) is one of the three security forces in the Blue World alongside Bahamut (バハムート Bahamūto) and Ziz (ジズ Jizu).
Z/X Encyclopedia Entry
The security force in charge of the ocean. They are focused on Mermaid extermination and doubles as Schuster's Rebel Suppression Force.
The security force in charge of the land. They deals with various tasks such as guarding the streets and handling the rampaging Killer Machines.
- Original XIII Type.VI "Mt13Ve" (leader)
- Original XIII Type.VIII "Lw19Ve" (leader)
- City Guard, Phecda
The security force in charge of the sky. They were under the direct supervision of Vega.
- Original XIII Type.II "Sd03Ve" (leader)
- Original XIII Type.IV "Pr07Ve" (leader)
- Rigel (formerly)
- Megaton Fist, Mizar
- Z/X Encyclopedia (Japanese)