Speak to Galiena at the Chakra Falls in Rhalgr’s Reach, and obtain the quest “And We Shall Call it Eureka.”
Next, meet Krile at Kugane.
This will cue a cutscene.
From here, head down to pier #1 and speak to the Craftsman. Then you’ll be able to travel to Eureka!
To venture forth to Eureka, speak to Expedition Ferryman Rodney
If you are playing as a party of eight, all eight players must be in Kugane before departure.