Was this the message she gave and we missed? Found this when I clicked on the moving eyes gif in the previous puzzle
Similar indentation is present
I have a theory
I was reading online about chimera and it hit me. Chimera is a fire-breathing female monster with a lion's head, a goat's body, and a serpent's tail. When Lalia says "I want it all" in her puzzle, I think she means she wants the serpent for her tail. And who's going to be the serpent? We! Remember she mentions: "You have been deemed worthy of reincarnating an especially vile member: Snake." So I think what she wants is the number 72315 and the serpent for her tail