Obsidian Rod (Thaumcraft 4)

The Obsidian Rod is a wand core component from Thaumcraft 4. It is used to craft either an Obsidian Wand or an Obsidian Staff Core. It is able to hold 75 vis of each type and has an affinity for, naturally restoring it slowly to 8 points if it ever falls below that amount without the need for tapping Aura Nodes.