[[Image:|260px]] Cluster View SystemsN/A RelaysN/A Location: Milky Way / Vallhallan Threshold Prerequisite: Tali: Treason (Mass Effect 2) Prerequisite: Priority: The Citadel II (Mass Effect 3) The Vallhallan Threshold is a Terminus Systems cluster at the outer rim of the galaxy. Sparse in terms of population, the only known activity in the cluster comes from pirates, terrorists, and concentrated corporate interests on Garvug. The quarian Migrant Fleet is in the general area in 2185, mining nearby worlds for resources.