6: Go back... to the source.
1: I won't allow you to endanger us further. Subjugate them.
8: S sub - what?
1: Oh you illiterate cretin. [Sighs]. Take their belongings.
1: He was old, he was weak! [5 gasps]. Sometimes one must be sacrificed for the good of many.
7: YOU COWARD!
9: Seven!
2: Some things in this world are better left where they lie. But if you know where to look, these ruins are full of riches. (00:06:19)
1: How dare you challenge me? I, who kept everyone safe, all these years. Ever since you've got here, everything has been unraveling. You're a curse, a fool! Guided by pointless queries.
9: And you are a blind man. Guided by fear!
9: I have to see them.
7: What? Go back to One? So, he can lock us away while this nightmare awakens? Never.
Answer: They were sent out into the world to create a new world for themselves. Every time the scientist created a doll, he transferred part of his soul into the doll bringing it to life but leaving him weaker. After creating 9 and transferring the piece of his soul into 9, he died so they would never have found out what they were created for.