R: 90’ D: [dice] x 10 minutes

When you cast this spell, choose a metal : tin, iron, copper, bronze or brass. You touch the ground and percieve …

• Tin : You perceive sound happening near tin in the area. It’s muffled.
• Iron : You detect all iron in the area.
• Copper : Nothing near copper can be detected by magic or senses other than sight.
• Bronze : You detect all magic or spellcasting near bronze.
• Brass : The emotions of sentient beings near brass are suppressed.

If you invest 4 dice or more in this spell and scribe your Sigil, the effect becomes permanent in that area.

metal + sense

From Throne of Salt’s Allomancer