Under detection magic, enchanted items radiate a color that determines how strong they are.
His magical gear is revealed to have auras. His mace shows up with a pinkish glow, a ring on his finger radiates a deep blue, and his breastplate a dull yellow — the first a strong magic, all the way to the last with the weakest magic of the three. The guard notes all these items down, and then waves him past.
- from the Godspawn Saga