Hi kimco --
I finally spent some time back in the game.
I looked at the inhalation cut scene -- all that's visible is
112's hands as he beats on the window of the inhalation tank because he's in pain -- and you can just see two shadowy shapes outside the tank, but I think it's clear those are the scientists trying to calm him down. I also took a look at the three corpses outside the inhalation chamber, and there's nothing there that would indicate a claw, at least not something that seemed obvious.
I think you are right that the Tyriades were informed that the RA might be planning an attack -- one of the scientists mentions that Lincoln (the security guy) went in to talk to the Tyriades. I suspect that his purpose was to warn the Tyriades about the RA, since Lincoln knew that none of his own superiors in the military would listen to him.
This might explain the sudden decision to get Lea ready to go into the Tyriades world, and might explain the messenger Tyriades figuring out a way to get the necklace/charm to Lea while she was preparing through inhalations to go down there. One of the stories called this charm "The Original Egg of the Convergence," and the info about it is that it both senses and emits hydroxide oxydrin, and that it was probably created by a Tyriades queen but designed by a human -- so maybe the charm WAS a collaboration between the current (soon to die) Tyriades queen and 112.
I'm wondering if Lincoln shut down the email system to keep the RA spy from communicating with the outside RA. I think the raid must have been November because the code that currently works for the bathysphere was a November code.
I transcribed what Lea says in the final cutscene. I listened to the transmission from the base several times -- I'm pretty sure it's a name starting with the letter "V," not "R," but it is very hard to hear. It could be that RA stands for something like Rescue Agency, and that it's sheer coincidence.
EDIT: I did wonder if perhaps RA might stand for something else in French (the language in which the game was created). I fed "air rescue" into the Babel Fish interpreter and it gave me "délivrance d'air" back (for what it's worth
EDIT 2: Just Babel Fished "resue agency" -- results: "agence de délivrance."
Note: Lea is still wearing the charm/necklace in the final cut scene, but it's no longer glowing. Not sure if that's significant or not.
The text below is serious spoiler territory
for anyone who hasn't complete the game! For the first part, Lea appears to be describing what happened at the Site of Convergence, and she seems to be addressing 112.
I enter with Miilyan.
A squad of Tyriades surround you.
You approach me.
We are alone at last for a few brief moments
How I’ve longed to see you again!
Ever since my awakening, and our first exchanges by two-way cameras, I’ve felt a presence.
You seem so different.
You’ve become one of them.
I have no regrets.
I had to see you one last time to conclude our story.
You ask me to stay with you.
I chose to go back to the human world.
And so, I leave this island and the Tyriades civilization behind me.
By my presence, the prophecy has been fulfilled.
112’s arrival in the Tyriades world will continue to create deep unrest.
I leave him now to encounter his fascinating destiny.
This has made me wonder if 112, over the intervening years, actually did "become one of them" -- fully mutate into a Tyriade.
As for the interesting theory that Lea is
an RA spy. I just can't quite believe it of her.
When she wakes up, she thinks that the person operating the camera is a crew member -- if she had gone under the hydroxide oxydren inhalation scheme specifically to spy out the Tyriades realm for the RA, I think her first thought would have been that the person operating the camera would be from the RA, not a crew member. Also, if the RA wanted to send her into the Tyriades realm as a spy, why would they leave her there, unattended, for 34 years?
In fact, under any scenario -- for instance, that Lea was preparing to meet 112 and that he had sent her the charm -- it doesn't make sense that she just lies there for so long. Since it was 112 behind the cameras -- why did he wait several decades before contacting her?
EDIT: Aha! I just found the concept art in the Bonus area. Yes, I see the slash in the haz mat suit in the concept art, but it wasn't in the game (that I could see -- though the camera may not have been angled right for showing it). Nice artwork -- so much detail in this game.