Salusa

Salusa is a fictional planet featured in Frank Herbert's Dune series. It is known as the prison planet of the Imperium. The harsh conditions on Salusa Secundus make it an ideal place to train individuals for extreme resilience and survival. Those who manage to endure life on Salusa Secundus are often hardened and exceptionally capable, making them valuable assets, particularly to military or intelligence organizations.

The planet's environment is characterized by extreme heat, sandstorms, and dangerous native lifeforms. Survival requires constant vigilance and adaptability. Because of its desolate nature and the extreme training it imparts, Salusa Secundus has become synonymous with a rigorous, often brutal, selection process. Many of the most formidable warriors and operatives in the Imperium originate from Salusa Secundus, having been forged in its unforgiving crucible. The planet plays a significant role in shaping the character and capabilities of many individuals who are exiled or sent there for punishment or training. Its influence extends to the political and military landscape of the Dune universe, as its inhabitants often possess unique skills and a formidable will.