"O Dinivas, deliverer of dark and dread, ruler of the ancient shadows, grant me your power. Verto!"
The Black Knight, also known as Ebonwings, is one of the Knights, a seven meter tall weapon of war made by people known as the Ancients and used during the Dogma War. At some point before the start of White Knight Chronicles it fell into the hands of the Magi.
 Abilities and Equipment
The Black Knight's weapon is a sword called Dark Blade which is used to deliver attacks similar to those seen in the Longsword skill set, most notably the long range void slash attacks.
The Black Knight possesses working bird-like wings that are colored black and can seemingly be manifested at will by the pactmaker.
The Black Knight seems to have abilities similar to the White Knight.