After reading this chapter, I can't help but think that this whole manga has been but an excuse to create an in-universe method for Nanoha and Fate to make a magical baby together in the future.
After reading this chapter, I can't help but think that this whole manga has been but an excuse to create an in-universe method for Nanoha and Fate to make a magical baby together in the future.
Vivio being their biological daughter already happened in at least one timeline might as well do it here too.
In fairness, usually the point of Starlight Breaker is to break something rather than perform magi-ecological disaster cleanup operations, so it's at least an unusual method for reaching a familiar solution~