Improved Ice Barrier
Ice Barrier gains an additional charge and reduces your physical damage taken by 10%.
Tree position
In the Frost Mage talent tree, Improved Ice Barrier sits in the Mage class talents, row 10 of 10. It is a single-point node. Its row opens once 20 points are spent in Class Talents.
Connected above
The tree draws a line into Improved Ice Barrier from Mass Invisibility, Barrier Diffusion and Energized Barriers.
Mass InvisibilityYou and your allies instantly become invisible for 12 sec. Taking any action will cancel the effect. [Does not affect allies in combat.]
Barrier DiffusionWhen your Barrier is removed, reduce its cooldown by 5 sec.
Energized BarriersCasting your barrier removes all snare effects.
Same row
Also on this row: Ice Cold and Spatial Manipulation or Reflection.

Spatial ManipulationShimmer gains an additional charge.
ReflectionAfter casting Shimmer, it is replaced with Reflection for 8 sec. Teleports you back to where you last Shimmered. Castable while casting and unaffected by the global cooldown.
Talent trees
Improved Ice Barrier is in the talent tree of 3 specializations. Mage: Arcane (DPS), Fire (DPS), Frost (DPS).
Improved Ice Barrier Changes by patch
Tracked changes to this talent between game data builds, newest first.
- First tracked in the game data (patch 12.1.0)