Talk:Our Conquest on The Ocean of Stars/@comment-2001:E68:541A:8D63:6DEC:61BF:B7BC:64BF-20180101122601/@comment-27164400-20180119043517

It's also a reference to Gilgamesh's ending in Fate/Extra CCC, where he escaped Moon Cell with Hakuno and took them to travel interstellarly. Their destination was a golden alien city, as seen in the BG of the CE card.