These options can be changed by prior choices made: If Ryder kept the Remnant drive core for the Initiative during Search for the Stolen Remnant Drive Core. Four options for the ambassador will be presented with varying arguments. Notice - If you have found the obelisk before starting this mission, you will be able to complete it right after it becomes unlocked, as a once found artifact cannot be lost. After Meridian: The Way Home, the Nexus leadership ambushes Ryder outside Ryders Room at Port Meridian with the task of choosing an interim ambassador to the Nexus. Once you have the obelisk return to and give it to the researcher. You need to find a white dot and send a probe (left mouse button). Location: Andromeda / Heleus Cluster / Zheng He / Unnamed Gas Giant (Zheng He) DATA: Station name: Nexus Length: 15.47km (when completed) Anchorage wheel diameter: 5.3km Status: Under construction ANALYSIS: Headquarters of the Andromeda Initiative, the Nexus is a massive space station designed to anchor the returning arks, process resources, and support colonists before their departure to new. Hover over the planet, zoom in and start scanning its surface more precisely by holding down the right mouse button. Your point of interest should be a planet named Kopis (screen above). Begin scanning this system (right mouse button), but be careful as therefore you can draw the Reapers' attention. Once you're there (Hekate system) fly to an adjacent system named Hoplos. Return to the Normandy, open the galaxy map and plan a trip to Hades Nexus (this area of the galaxy is unlocked after completing Priority: Rannoch main quest).