Stellaris on Twitter: "In the "Federations" expansion, you'll be able to choose the "Shattered Ring" Origin and start on a mostly destroyed Ringworld, instead of a planet. The unique Arcane Generator will
Where did the developers of Stellaris saw the ringworld? - Quora
Megastructures - Stellaris Wiki
Super Ringworld Blackhole - Skymods
Stellaris - When you choose the "Shattered Ring" Origin,... | Facebook