Planescape: Across the Multiverse
Baatorian Green Steel
Green-hued metal, mined in the nine hells
+1 Damage on Green Steel Weapons
Metal mined from the Nine Hells of Baator. It’s most commonly known as “Green Steel” for its sickly green tint. Skilled craftsmen can make mix this tough, light metal with steel to produce weapons (and more rarely, armor) that carries a +1 to damage and weighs 25% lighter than its steel equivalent.