[Matoba holds his hand out limply, and then takes the phone to scroll through and look. (He's looking at the selfies- not for their content, but to see who else she knows. Oya, that most certainly appears to be Mister Cloud Strife again, now doesn't it....)]

[The grainy photos show a familiar machine. Its wreckage Matoba has seen before, but it matches everything he knows- a generator, the kappa had insisted, it had just been meant to be a generator, but it must have been tuned up too far by some bad actors and thus had caused the explosion.]

The Enma claimed to have confiscated it after the events of that night. Although, Strife-san has told me he did not see it present in the containment level when they dispelled Haniyasu from the basement...

Perhaps it has been moved elsewhere.

[He looks thoughtful as he hands the phone back to Aerith. The machine may have created a smokescreen in more ways than one, that night.]

Aerith-san, did you ...feel anything below you, as you walked through the Underground?