http://sta.sh/02cykxeyqrwp
- brown bayish kinda
- cracks of fire/lava spreading from chest onto shoulders
- four black horns, some orange/fiery cracks on them
- reddish stripe that turns into skull marking
Two:
http://sta.sh/01ya5pk58j0y
- black with lava cracks/stripes along neck and back
- two black horns tipped with bronze
- gold/bronze eyes
- black mane and tail with red streaks (in mane near the stripes)
- faint dark read tips to wings
- top sides of wings could be completely black or have some bright fiery coloured feathers to match the stripes
EDIT: Third entry, a combo of the two above! http://sta.sh/0nhej0kulzg