Such a thing, definitely couldn't be discussed.
Once mentioned, it would all be over.
Therefore, to explain his own anomaly, Brian claimed that his rapid progress was because he had inadvertently devoured a fragment of the "Afterglow Plate," granting him some peculiar abilities.
Ultimately, the reason didn't matter.
People would believe what they wanted.
Listening to Brian's story, Susan's expression throughout was that of awe.
Her eyes widened, and after Brian finished speaking, she stuttered, "So, the creature that attacked the NW headquarters was you?"
Brian nodded, "Well, I wouldn't say creature, actually. I think that form looks pretty cool."
Susan fell silent for a moment, then nodded, "So, your earlier attack on the NW headquarters was to find the killer of my father, and unexpectedly, that action disturbed the other Afterglow Plates lurking within the various organizational powers. Brian, did you save the world?"
"Sort of."
"AAAHHH!"
