As the wraith slowly disappeared, it gained a sudden burst of speed down the hall, escaping Light's body. Stopping quite a long way down the hall, it screamed at Light, unleashing a sound wave. It wouldn't do much damage, but it would hurt Light's ears.

Isaac was watching the battle and signalled to one of his hunters.
[b]"Do it."[/b] Isaac said, snapping his fingers.
It appeared behind Light, letting off a strong blast of electricity that wouldn't do a lot to light, before teleporting back to the monitoring room. The wraith floated threw a wall, emerging to Light's left and slashing before disappearing back into the wall. It began harassing light using the walls, slashing from an unseen place. Isaac adjusted his glasses and continued watching.
[b][i]Good.[/i][/b] He thought.