The Nimbus Cluster is situated in the Outer Council Space region. It was colonized and continues to be governed by the Asari. With all of its worlds featuring harsh conditions or sinister reputations it is something of a backwater, almost certainly something the Asari had in mind when they founded the Ardat-Yakshi monastery on Lesuss.
- Mission: Kallini: Ardat-Yakshi Monastery
- Mission: Citadel: Asari Widow
- Mission: Nimbus Cluster: Library of Asha