User blog comment:Master Ceadeus 27/The Fanart and Fanfiction Competitions 4: Triablos vs. Shinkaiyami/@comment-70.128.20.68-20130124040234/@comment-70.128.20.68-20130125033402

Ferox is an Elder Dragon, btw. I guess Wyrms are just especially old and powerful Elder Dragons. If thats the case, Ferox could easily be a Wyrm! :D