Phoenix Logs/The Ark/The Foundry

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The Foundry is a massive circular machine situated at the epicenter of the Ark

for the purpose of constructing and repairing the ringworlds that make up the

Halo Array.

Within its center it holds a mineral-rich moon in a powerful gravitational field

that is mined for resources by giant Retriever Sentinels, then used by

Assembler Sentinels to build components of a Halo. The Halo Array is always

made of seven ringworlds and should one be destroyed the Ark starts building

a replacement.

Once a Halo is stable, it is released to the same location as the destroyed Halo

to replace it while Sentinels continue to work on it. Of the seven ringworlds

that make up the Halo Array, six have originated on the Ark, while the seventh

was constructed on an earlier version of the Ark and later reconstructed to fit

the new design.