Midknight’s Ex, passive powers

He took a long look. Near the “H” was a small oval of darkness, maybe six feet across and ten high. It was like a dead spot on the lens, and it made the white, weather-beaten letter look more like a backward four.
“Midknight?” Katie asked.
“Yeah,” said the hero. He sighed and smoke curled from his nostrils. “That’s him all right.”

Excerpt From Ex-Heroes, pg 10
Peter Clines
https://books.apple.com/us/book/ex-heroes/id585738407