extracted the image.. using brushes and pen tool gave shapes to the character
step 2 of 4
gave depth using layer style... and started with eyes and mouth using marquee...
coloured the pen blue
step 3 of 4
gave details on creatures with mainly brushes and few blending options... pattern of steel at the foot of pen was obtained by motion blurring the grain effect followed by wrapping....
step 4 of 4
then added the dirt all over using brushes , blurring and displace options...