The Dark Tower Wiki
Tim Ross faces a Dragon in the Wind Through the Keyhole

Tim Ross faces a Dragon in the Wind Through the Keyhole

Dragon is a creature of immense size, similar in appearance to a lizard.

A dragon, as it appears on  audio CD.

A dragon, as it appears on The Eyes of the Dragon audio CD.

Its skin is usually riddled with scales, and it has wings, claws and fangs (sometimes horns). When The Dark Tower Series begins, dragons have long since been extinct. The only appearances of a dragon in Roland Deschain's world is the one that King Roland faced in The Eyes of the Dragon and the one that Tim Ross encountered in realm on his way to find Maerlyn in The Wind Through the Keyhole.