When you enter the trench, you need a hazard suit and if the nameless are too annoying, get a light pet. Also, when you see a drake, kill it if you can. The nests are in the yellow lighted area and the eggs spawn in the cliffs. When you get the egg, climb out of there and run back to the portal. Then, go to the nearest obelisk at 20 Lat, 80 Long

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