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Snowball Earth (大白球) is the residence of Cocytus.


It is located on the Fifth Floor of the Great Tomb of Nazarick. There seems to be a constant blizzard in effect throughout the area's terrain, leaving nothing but some snowstorms trailing at its wake. Snows are always falling on the area's surroundings nonstop.

The snow driven by the blizzard went in all directions, obscuring all vision and covering up footprints. This was to waylay any intruders, but under normal circumstances the weather on the Fifth Floor was not so bad. The clouds which covered the sky would only dispense scattered snowflakes.


The Emissary of the King Arc[]

Main article: The Emissary of the King Arc

A Death Knight paid a visit to Cocytus' domain at its summoner's orders to learn of the desires of all the Floor Guardians.

The Two Leaders Arc[]

Main article: The Two Leaders Arc

Mare Bello Fiore journeyed there to deliver a secret memo from Ainz Ooal Gown. However he learned that Cocytus was not home but in the Great Lake region supervising the Lizardmen Alliance.


Cocytus' home resembles an overturned vespiary, surrounded by six floating pillars of ice, where reside the Frost Virgins.[1] The walls, ceiling, and furniture seemed to be made out of ice. This was probably an artistic decision. Aside from that, it wasn't much different from a regular home. However, it was big enough to include a conference room. It was big enough that Cocytus could swing his swords without a problem anywhere in the interior.[2]


  • Cocytus' home was designed for fighting that takes place indoors. 


  1. Overlord Volume 08 Side Story 2: A day of Nazarick
  2. Overlord Blu-ray 01 Special: The Emissary of the King


Great Tomb of Nazarick
1st-4th Floors Residents
Shalltear BloodfallenKyouhukouGargantua
Well of the DeadAdipocere ChamberBlack Capsule
5th Floor Residents
CocytusNigredoNeuronist Painkill
Frozen PrisonSnowball Earth
6th Floor Residents
Aura Bella FioraMare Bello FioreGashokukochuuouFennQuadracilePinison Pol PerliaIrisGagarpurVioletAnkyloursus LordShiramochi-ō
Gigantic TreeAmphitheaterGreen HoleField of FlowersTrail of the Fey
7th Floor Residents
DemiurgeGurenEvil Lord WrathEvil Lord GreedEvil Lord EnvyEvil Lord Sloth
Blazing TempleRiver of Lava
8th Floor
VictimAureole OmegaRubedo
9th Floor Residents
Sebas TianClavuShihoutu TokituPatissierTuareninya VeyronCixousDecrementFoireLumièreIncrementFithFothEtoile
Spa Resort NazarickRound Table RoomTheatreMaid Café PleiadesHarem RoomCanteenBarGuest RoomNinja MansionQuiz RoomYamaiko ShrineCasino Resort NazarickYo Za ShitzuShazai KaikenPhoto Studio TabulaBeauty Parlor
10th Floor Residents
Ainz Ooal GownAlbedoYuri AlphaLupusregina BetaNarberal GammaCZ2128 DeltaSolution EpsilonEntoma Vasilissa ZetaGremoryTitus Annaeus SecundusLibrarian JCocceiusUlpiusAeliusFulviusAureliusProtagonistSlimekoLibrarian B
AshurbanipalLemegetonThrone RoomAudience Room
Pandora's Actor
Other Residents
Pestonya Shortcake WankoÉclair Éklair ÉklareChacmoolHamsukeChief BlacksmithPulcinellaGrantMondenkintoChotchino Takaioji