Greater ironguard

Greater ironguard, or simply ironguard, was an arcane abjuration spell that temporarily granted one creature immunity from all non-magical metals and some enchanted metals. It was an improved version of lesser ironguard.

Effects
The effects of this spell were the same as for lesser ironguard except that it also granted immunity and transparency to metals that had been enchanted up to a certain degree.

Components
In addition to the verbal, somatic, and material components required for lesser ironguard, this spell needed an arcane focus in the form of a small piece of raw adamantine costing about 100 gp.