Scale Spikes, Greater

Transmutation
Level: Alchemist* 4, Artificer * 3, Bloodrager * 4, Druid * 3, Hunter * 3, Ranger * 3, Shaman * 3, Sorcerer */Wizard * 3, Warlock * 3
Components: V, S, M/DF (a bit of thistle)
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 also has a natural armor bonus of at least +1
Duration: 1 hour/level
Saving Throw: Fortitude negates (harmless)
Spell Resistance: yes (harmless)
  This spell functions like scale spikes, except that the spikes growing out of the scales have an Enhancement Bonus on attack and damage rolls equal to +1 for every 4 Caster Levels (maximum +5). This bonus does not allow the spikes to bypass Damage Reduction aside from magic.