- 3 Points
- The touch of cold iron either provides three dice of countermagic against your spells or inflicts a health level of bashing damage per turn it's in contact with you.
- 4 Points
- Either both effects of the 3-point tier, or inflicts lethal damage instead.
- 5 Points
- Cold iron provides both three dice of countermagic and inflicts one level of lethal damage per round.