School enhancing; Level druid 2
Casting Time 1 standard action
Range close (25 ft. + 5 ft./2 levels)
Target one living creature/level that is a reptile, has the dragon type, or has the reptilian subtype, and that also has a natural armor bonus of at least +1
Duration 1 minute/level
Saving Throw Fortitude negates (harmless); Spell Resistance yes (harmless)
When the target is affected by this spell, its scales grow jagged spikes. These spikes act like +1 armor spikes. The subject is automatically considered proficient with these scale spikes.