Fate Lostbelt. Lostbelt King (異聞帯の王) is a term for those who rule the seven Lostbelts brought forth by the Alien God during Fate/Grand Order: Cosmos in the Lostbelt. They are the core of the Lostbelt and possess a certain Authority.
The events of Chaldea's visit to this Lostbelt are covered in the second chapter of Cosmos in the Lostbelt. In Nasuverse franchise, the Olympians in the Proper Human History are depicted as living. They are the secondary antagonists of Atlantis and Olympus chapters, composed into the two-parted Greek Lostbelt chapters, and the core allies of Kirschtaria Wodime.
As opposed to the Greater History of Man, the history of "winners" born from correct choices and proper prosperities leading to the "present", the Lostbelts are histories of.
The events of Chaldea's visit to this Lostbelt are covered in the second chapter of Cosmos in the Lostbelt.
He is the overarching antagonist of Atlantis: Ocean in the Age of Titans and the secondary antagonist of Olympus: Interstellar City Mountains, both being parts of. However --- I will accompany Mashu and Guda. It features the original team of Masters gathered by Chaldea, the A-team.