Zzzap melting chain into a rod

The wraith sliced through the night sky and down to the fishing boat. This cage was on some kind of chain hoist, and an arm made from a steel pipe. Three kids, one of them a boy close to ten or eleven. No sign of a guard. He ran his hand along the links and fused about a yard of chain into a solid rod.

Excerpt From Ex-Isle, pg 495
Peter Clines
https://books.apple.com/us/book/ex-isle/id989619017