Why does Silver burn Werewolves? Why does Iron kill Sprites? And what can kill ghosts? all questions are answered here. There are primarily 13 Metals or alloys used by the citizens of Aboden, and these can be divided into three categories: High Metals, Mundane Metals, and Low Metals.
Light Stone
Gold
Silver
Bronze
Titanium
Copper
Iron
Steel
Tin
Dark Iron
Adamantium
Black Iron
Death Stone
Their effects on the primary ethereal beings are here: