Obsidian Steel
Obsidian Steel is a metal in GregTech 6 and Tech Guns.
GregTech 6
As added by GregTech 6
Obsidian Steel is Obsidian-Steel alloy.
Obsidian Steel is a metal in GregTech 6 and Tech Guns.
As added by GregTech 6
Obsidian Steel is Obsidian-Steel alloy.