And what exactly was that? I sincerely don't understand. Yes, I saw the CGs and everything but the text that goes with them is all MTL so I have no real explanations as to why it's happening in the first place.
Spoiler:
They're Oblivion Correction machines, meant to remember past events that PHH may have forgotten. Their role is to "Avenge" injustices, like how the conspiracy against Dantes would have just been swept under the rug if he hadn't become the Count of Monte Cristo. From what I understand, the reason they have to leave is that they are waiting for us in Antartica, they just got aheadstart