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The Plane Above: Secrets of the Astral Sea is a 159-page sourcebook for Dungeons & Dragons 4th edition released in April 2010.

Official synopsis[]

Climb aboard an astral skiff and set sail for adventure!

On the Astral Sea, characters face off against angels, devils, githyanki, and even the gods and their exarchs while exploring dungeons, raiding astral galleons, and establishing themselves as demigods. This game supplement builds on the overview of the Astral Sea presented in the Manual of the Planes game supplement and explores the heavenly plane in greater detail. From the cavernous layers of Nine Hells to the dark dungeons of Tytherion, adventure awaits in every astral dominion and on the vast, uncharted sea that stretches between them.

This game supplement describes the Astral Sea and key locations throughout the plane. It also presents a multitude of new monsters, as well as adventure hooks, encounters, hazards, and everything Dungeon Masters need to make the Astral Sea a featured setting in their campaigns.

Content[]

Development and release[]

Development[]

The book was written by Erik Scott de Bie, Rob Heinsoo, Robin D. Laws and Ari Marmell. Art was provided by Dave Allsop, Kerem Beyit, Zoltan Boros and Leon Cortez.

Release[]

The Plane Above: Secrets of the Astral Sea was released by Wizards of the Coast in April 2010 for $[missing data] US or $[missing data] Canadian.

On October 20, 2015, it was re-released in digital format. It is currently available on DriveThruRPG and Dungeon Masters Guild for $14.99.

Reception and influence[]

Critical reception[]

As of 2023, The Plane Above: Secrets of the Astral Sea reached the rank of Electrum seller on DriveThruRPG.

Influence on other works[]

External links[]

References[]


Dungeons & Dragons 4th edition
Core rules
Player's HandbookPlayer's Handbook 2Player's Handbook 3
Monster ManualMonster Manual 2Monster Manual 3
Dungeon Master's GuideDungeon Master's Guide 2
Starter Set
Supplements
Adventurer's VaultAdventurer's Vault 2Arcane PowerThe Book of Vile DarknessDark Sun Campaign SettingDark Sun Creature CatalogDemonomiconDivine PowerDraconomicon: Chromatic DragonsDraconomicon: Metallic DragonsDragon Magazine AnnualEberron Campaign GuideEberron Player's GuideForgotten Realms Campaign GuideForgotten Realms Player's GuideHammerfastInto the Unknown: The Dungeon Survival HandbookManual of the PlanesMartial PowerMartial Power 2Menzoberranzan: City of IntrigueMordenkainen's Magnificent EmporiumNeverwinter Campaign SettingOpen Grave: Secrets of the UndeadThe Plane Above: Secrets of the Astral SeaThe Plane Below: Secrets of the Elemental ChaosPlayer's Handbook Races: DragonbornPlayer's Handbook Races: TieflingsPlayer's Strategy GuidePrimal PowerPsionic PowerUnderdarkVor Rukoth
Adventures
Keep on the ShadowfellThunderspire LabyrinthPyramid of ShadowsDeath's ReachKingdom of the GhoulsPrince of UndeathKing of the Trollhaunt WarrensDemon Queen's EnclaveAssault on Nightwyrm FortressThe Slaying StoneOrcs of Stonefang PassDungeon DelveDungeon Magazine AnnualHalls of UndermountainMarauders of the Dune SeaRevenge of the GiantsScepter Tower of SpellgardSeekers of the Ashen CrownTomb of Horrors
Essentials
Starter SetRules CompendiumHeroes of the Forgotten KingdomsHeroes of the Fallen LandsMonster VaultDungeon Master's KitMonster Vault: Threats to the Nentir ValePlayer's Option: Heroes of ShadowPlayer's Option: Heroes of the Elemental ChaosPlayer's Option: Heroes of the FeywildThe Shadowfell: Gloomwrought and BeyondMadness at Gardmore Abbey
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