Plans: Thorium Shield Spike
Requires Blacksmithing (275)
Use: Teaches you how to make a Thorium Shield Spike.
Thorium Shield Spike
Requires Blacksmithing (250)
Use: Attaches a Thorium Spike to your shield that deals damage every time you block with it.
Requires Thorium Bar (4), Dense Grinding Stone (4), Essence of Earth (2)
Source
No known drop source yet.