Alcides knows you blinked

“No...” The bowman said to the bewildered John. “It’s none of your concern.”
The next instant, the bowman was standing right in front of John.
“Wha...?”
The movement appeared instantaneous, but it was achieved not through speed due to physical strength, but by moving in a gap in their attention.
The movement testified to the fact that the grotesque bowman did not rely solely on physical strength, but was also possessed of skill achieved through superhuman training.

-F/sf Vol 5