Difference between revisions of "Acclivity stone"

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|function=Provides lift to starships
|function=Provides lift to starships
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|books=[[Skyward (series)]]
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| Hundreds of acclivity rings. If this thing falls, and we can salvage it, it could transform the DDF.
|Hundreds of acclivity rings. If this thing falls, and we can salvage it, it could transform the DDF.
| [[Jorgen]]{{book ref|sky1|46}}
|[[Jorgen]]{{book ref|sky1|46}}

Revision as of 03:07, 15 May 2020

Acclivity stone
Spensa LittleGreyDragon.png
Type Mineral
Function Provides lift to starships
Universe Cytoverse
Featured In Skyward (series)
This page or section contains spoilers for Starsight!
This information has the ability to potentially ruin elements of the plot for the reader. Proceed with caution if you have not read this book.

Hundreds of acclivity rings. If this thing falls, and we can salvage it, it could transform the DDF.

Acclivity stone is a mineral that reduces gravity, and even produces anti-gravity, when charged.[2]

Appearance and properties

Acclivity stone can only be found in the nowhere, making it exceptionally rare.[3] When charged, it glows blue, bright enough to be seen from some distance. It seems capable of holding charge for considerable amount of time - possibly centuries, though the charge does inevitably run out.[4] While it's rather durable, starfighter destructors are capable of destroying it, rendering it useless.[5] When destroyed, it lets out a flash of light.[6]

Charged acclivity stone seems to affect the surrounding gravity, making it weaker or possibly altering its direction. This can make objects fall more slowly and even produce lift, letting them hover and fly.[2] It also seems to attract light-lances, as it's easier for them to hook on acclivity debris.[7]

Acquisition and use

Acclivity stone is mined by spacefaring species of the galaxy through nowhere portals. The scarcity of those portals makes obtaining it highly difficult, and the material itself very costly; a species with access to a nowhere portal can become exceedingly rich through mining acclivity stone.[3] However, despite its relative scarcity, acclivity stone is broadly used to provide lift to spaceships and space stations throughout all of the inhabited space, and has been used as such for generations.[8]

For starships and stations, the stone is fashioned into rings that are attached to the underside of the vehicle.[9] The bigger the structure, the more acclivity rings it requires, with the largest structures necessitating hundreds of rings to keep them in orbit. Old acclivity rings can, however, be salvaged and reused, allowing for new ships to be fielded.[10]


  • An "acclivity" is another word for an upward slope, likely referring to the stone's ability to make things float up.


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