Dragon

The Dragon was a creature that Hellboy rides on during a vision in a "Apocalypse version of London".

History
When Hellboy grabbed Excalibur, he was transported through a vision in a "Apocalypse version of London" where he started the end of the world and was flying a fire dragon. As he flies pass monsters and demons while riding the beast, Hellboy was then tossed off the dragon to a crowd of humans where Hellboy began to slaughter them using the fiery Excalibur.

Characteristics
The Dragon seen in the Apocalypse version of London was a gigantic skeletal winged beast. On its back to its neck, it had two chains that Hellboy held. The dragon's skin was mostly covered with a rocky molten substance.

Powers and Abilities

 * Dragon Physiology: The monster had the ability to fly with its massive wings over the fiery city of London.
 * Rocky skin: Its skin was made out of a rocky-molten substance.