Darkhound

A Darkhound is basic dog that has been infused wiht same dark power as the Black Court Vampires. (Ch 27, Blood Rites)

Description
They look like normal dogs but they are stronger and faster than mortal dogs and they don't feel pain. The Black Court uses darkhounds to make up for the weakness of the Renfields and the Thralls that don't make good sentries. They make it difficult for attackers to get past—they'd have to be: invisible, inaudible, and unsmellable. (Ch 27, Blood Rites)

History in Series
In Blood Rites, Harry Dresden, Karrin Murphy, and Jered Kincaid (with Ebanezer McCoy as escape driver) goes up against Mavra and her Renfields with their darkhounds with intent to kill Mavra andher nest. They get ambushed while trying ot free captives. This is where Harry gets his hand badly burned. (Ch 31–33, Blood Rites) Black Court Vampires