Wand Focus: Portable Hole (Thaumcraft 4)

The Wand Focus: Portable Hole is a wand focus added by Thaumcraft 4. When equipped to a wand, the focus will create a temporary 3x3 hole centered on the targeted block that will go through blocks behind it until it reaches the other side. Its base vis cost is 0.1 + 0.1  per cast.