Originally I had planned to show a battle between a dragon and an apache helicopter, but the aftermath was a bit easier to imagine.

The character is Muzafredin and belongs to Twilightsaint.
https://www.furaffinity.net/user/twilightsaint/

A drawing for this contest:
http://twilightsaint.deviantart.com.....date-357679560

These tutorials were quite useful:
Scales:
http://twilightsaint.deviantart.com/art/Tutorial-Scales-Made-Simple-357777924?q=gallery%3Atwilightsaint%2F5183095&qo=0

Feet:
http://twilightsaint.deviantart.com/art/Tutorial-DRAGON-FEET-144306360?q=gallery%3Atwilightsaint%2F5183095&qo=2

General dragon anatomy.
http://kyriadori.deviantart.com/art.....v-02-142772030