Prerequisite: Visit Aya during “A Trail of Hope”, and after Jaal joins the party.
Havarl is found in the Faroang System. Upon landing, head to the marked research station and talk to Kiiran Dals. She’ll tell you about the scientists she sent trapped in a remnant stasis field.
Head to the ruins and establish the forward stations along the way. You’ll encounter some local fauna as well as hostile angaran personnel called Roekarr along the way. Upon reaching the Remnant tunnel, you’ll have to deal with observers, assemblers, and a Nullifier. If you have the Task: Better Crafting active, you’ll find one of the hops in this remnant tunnel, by the glowing plants.
Continue following the mission marker until you find the researchers. Scan them and locate the Verdurous glyph around the area. Use your scanner to find the conduit leading from the console to the glyph.
After scanning the Interact with monolith console and solve the puzzle using the screenshot below.
After the scene, return to the research station and report back to Kiiran Dals to complete the quest. From hereon, you can continue doing sidequests and activities to increase the planet’s viability.