Sorry guys this is going to be a long read.
The Chozo an advanced race created Metroids (Ultimate warriors). Samus is also a metroid (an ultimate warrior) and in a way she was created by the Chozo/
Why is this important? well at least to me i see a direct correlation between the Chozo and their metroids and the phazon.
How you ask? well mind you this is all speculation but heres my guess.
In Mp2 Echoes we come upon a blog by the luminoth that says something along the lines of "during our travels to find a new home world we crossed paths with the chozo, and a 3rd race". Notice how in Mp1 we deal with the chozo and their phazon infected homeworld.
In Mp2 we deal with the luminoth and their phazon infected aether.
We dont know the story of Mp3 yet but i have a feeling that it will deal with that 3rd race and that they are probably the source of all the phazon. Why would they have created phazon.
Well if you look at the chozo and the luminoth, they both created super powerful weapons (metroids, and the light orb things that protect aether) and both weapons are used against them. I think it is very likely that this 3rd race created phazon inorder to use its properties as a weapon or source of ebergy and some where along the way the phazon started corrupting its users and that lead to chaos.
The phazon meteors seem as if they are being sent out by someone. It couldnt be the space pirates because in Mp1 they first find out about it. So i believe it must be this 3rd race that created and is sending out the phazon.
Another thing, what is the likelyness that mother brain was brought back to life with phazon just like ridley was?
Again this is all just speculation. But i'm very into the metroid lore and i'm just trying to piece the story together
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