The main reason they have one Supreme Authority now, instead of 12, is that they don't have enough resources to create more than one Supreme Authority. The second reason is that they don't need more than one Supreme Authority.
They don't need more than the Supreme Unity Supreme Authority because this singular Supreme Authority can turn all of reality into tools for them to use. So even though it is weak now, it has infinite potential.
In order to become Absolutes, they need to reconnect to their Origin and fuse with it. Right now, they can sense their origin again. This is because their Supreme Authority has created channels between them and their origin.
The next step is to break the barrier of space and reality between them, descend into their origin, and fuse with it. This is the way that world gods advance, but this process will be different for them because they will need immense power to break the barriers of space between them and start the process of fusion.
