Wand Focus: Frost (Thaumcraft 4)

The Wand Focus: Frost is a wand focus added by Thaumcraft 4. When equipped to a wand, it will launch a ball of ice that can bounce off of blocks and mobs if their hardness is Its base vis cost is 0.05  + 0.02  + 0.02  per cast.

Upgrades

 * Frugal: Reduces the vis cost of activating the focus's powers by 10% per level.
 * Potency: Increases the damage or strength of the focus's powers. The exact damage increase varies from focus to focus, but is usually about 20% per level.
 * Alchemist's Frost: Targets hit by the ice ball are chilled and will slow down. Effect increases with each rank.
 * Scatter Shot: The focus produces small pieces of ice that deal minimal damage. If concentrated on a target significant damage can be inflicted.
 * Ice Boulder: The focus produces a large ball of ice that tends to bounce around when it hits blocks.