VHS and Noise by @Securely It seems like that the civilization is against Plieades and Osiris. It can also be the Valk Empire. Try telling the SCFA why the Valk Empire collapsed.
It sounds like it was about secrets, but it was found that it came from Isara Zenthari and had a secret cipher. It is translated to: We found this secret universe, we meet again Isara, goodbye Plieades and Osiris
