I'm guessing... the two put the lid on the Demon Core and it started fissioning hard.

The only way that could have happened is if Nagato slammed the two pieces together.

Steak said:

The only way that could have happened is if Nagato slammed the two pieces together.

Which she could do.

Well, not Nagato's first nuke

Now they're all sons and/or daughters of bitches.

[deleted]

>Elohim

Well, she definitely summoned Trinity