"Hey, what's going on? Just now, the radar showed someone nearby, but they disappeared in the blink of an eye."
The squad captain of the patrol unit was checking the radar interface, where an individual had appeared only to vanish a second later.
"What's wrong, Captain? Did a monster show up?" one of his comrades asked, alert to any changes.
"I'm not sure, but we can't be too careful. Stay sharp, everyone."
"Yes, sir!"
…
Meanwhile, in the cover of night, Ethan, now transformed into a raven, flew swiftly through the sky.
"Roar!"