Discern Defenses

You learn a detailed description of the current attended equipment, active spell effects, special defenses, damage reduction, immunities, resistances, spell resistance, weaknesses, special attacks, and special qualities of a single creature.

Nothing short of a mind blank spell or the direct intervention of a deity keeps you from learning this information. Discern defenses circumvents normal means of protection from scrying or location.

To learn the defenses of a creature with the spell, you must have seen the creature or have some item that once belonged to it.