Even if you accept Duville's offer, Kieva will talk to you and you'll take her ending instead of the mob ending. Version 2.2.2 of the mod offers plenty of fixes and changes, and we’ve included the release notes for this update down below: Fallout New California 2.2.2 Release Notes if their rebellious adopted kids survive the Enclave threat brewing within their own ranks.” In their old age, the Scouts have created a new generation to take their place.
“Vault 18 is at the heart of the California Wasteland high in the San Bernardino Mountains, and it's legendary Wasteland Scouts have managed to keep its secrets safe for decades despite the wars raging beyond the great door.