I feel like with Vegapunk mentioning an infinite source of energy based on fire was foreshadowing to the World Government secretly keeping other Lunarians imprisoned as slaves in Marijoa forced to power an Ancient Weapon.
Alber was simply a single child they sent to Punk Hazard to try and clone as they wanted a pure template, same situation as Kaido who was also sent to Punk Hazard around the same time to have his genetic template copied.
We may get more insight when the weakness of the Seraphim is brought to the light and the background of the race is finally explained
Alber was simply a single child they sent to Punk Hazard to try and clone as they wanted a pure template, same situation as Kaido who was also sent to Punk Hazard around the same time to have his genetic template copied.
We may get more insight when the weakness of the Seraphim is brought to the light and the background of the race is finally explained