User blog comment:Ltmaroon57/Speculations For Season 13/@comment-175.145.195.0-20150302131131

The Engineer's Return - In Season 9 and 10, much of the story focuses on the history of Project Freelancer. One of them being how the AI Fragments were created. In Season 10, it was revealed that after torturing the Alpha, an Engineer which PF acquired in Season 9, split the emotional core from Alpha and turn it into a functional AI.

That makes sense because Engineers are masters of technology. They are able to learn about any form of advanced hardware and how it works in mere seconds. They can disassemble and reassemble tech and fix them.

So, if it's true that all items belonging to Project Freelancer were in the ship that were carrying the Reds and Blues, that means the Sarcophagus(the artifact the Engineer was inside in) was present and Charon inc managed to retrieve it.

This might mean that the Engineer was responsible for creating the new weapons the Space Pirates use.

Sigma's Return: Sigma is the AI that represents Alpha's creativity and ambition. He was responsible for Carolina and Wash's mental breakdown and turned Agent Maine into the Meta so that he could hunt the Freelancers and steak their AI in hopes of achieving Metastability. While its true that Sigma was destroyed in Reconstruction but I believed there is a way Sigma can return and it has something to do with the Engineer.

In the episode 'Happy Birthday', we saw how the AI fragments were created. After the PF tortured Alpha, Director ordered the AI(Gamma, Omega and Sigma) to log off. When they did, the Director brought in the Engineer to 'fix'. However unknown to PF, Sigma disobeyed orders and was secretly watching from a security camera to see how he and his brothers came to be.

So, how does the Engineer fit into this?

Here's the next part which was taken from Halo Nation wiki website; ''The abilities of the Huragok are not limited to fixing things; they are also able to absorb data from a computer or an A.I., and combine it with their own biological "data." One such incident occurred when one Huragok combined its knowledge with the dumb AI of New Mombasa, the Superintendent.''

So, here's my theory. What if somewhere between the episode "Change of Plans" and "Party Crasher", Maine, controlled by Sigma sneaked into the room where the Sarcophagus was kept. He opened it and released the Engineer.

Sigma, being an incredibly manipulative being, was able to convince the Engineer to create a copy of him which was considered impossible. The Engineer suceeded and there are two Sigmas.

Now this is where it gets crazy. What if the Sigma that the Meta had was the copy and the original Sigma was absorbed by the Engineer. So in Season 13, Sigma will return and will no doubt manipulate Chorus and Charon to achieve his own ends.