The Wand of the Thaumaturge is an upgrade from the Wand of the Adept, and the last tier of wands. It holds 1000 vis.
You can only craft this wand once you have completed The Theory of Everything research.
CraftingEditThe Wand of the Thaumaturge is crafted at an Infusion Altar, using a Wand of the Adept and a Nether Star, at the cost of 32 Praecantatio, and 250 vis.
NB: The Nether Star can only be obtained by summoning and killing the Wither Boss.