Helghan is a planet orbiting the star Alpha Centauri A of the Alpha Centauri system, and is home to the Helghast. The Helghast homeworld is a hostile, harsh world dominated by ferocious storms and electrifying skylines. Over the years, the Helghast have proudly embraced their formidable planet and have adapted to the dangerously toxic environment. Helghan is a hellish world, only recently made remotely habitable. Much of the planet is covered by rocky terrain and dominating canyons with some arctic-like areas; there are even oases of sorts, in the form of hostile jungles teeming with dangerous predators. Helghan is rich in natural resources and minerals, mainly petrusite. Most settlements are centered around mining operations, and the largest city was Pyrrhus, though it bore more resemblance to a very large slum as opposed to a sprawling city. During Visari's reign, most of the planet's economy and resources were centered into building and maintaining Helghan's large armies and a fleet for interstellar conquest, leaving little funds for the improvement of the general population's well-being, hence the slums, dismal civilian infrastructure, and a visible lack of luxuries on Helghan.

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