Wind Shear
Disrupts the target's concentration with a burst of wind, interrupting spellcasting and preventing any spell in that school from being cast for 4 sec.
Tree position
In the Elemental Shaman talent tree, Wind Shear sits in the Shaman class talents, row 4 of 10. It is a single-point node.
Connected above
The tree draws a line into Wind Shear from Nature's Guardian and Encasing Cold or Arctic Snowstorm.
Nature's GuardianWhen your health is brought below 35%, you instantly heal of your maximum health. Cannot occur more than once every 45 sec.
Encasing ColdIncreases the cooldown of Frost Shock by 15 sec, but Frost Shock now freezes targets in place for 4 sec.
Arctic SnowstormEnemies within 10 yds of your Frost Shock are snared by 30%.
Connected below
Wind Shear leads on to Enhanced Imbues and Windveil.

WindveilInterrupting a spell with Wind Shear reduces all spell damage taken by 15% for 12 sec.
Same row
Also on this row: Healing Stream Totem, Winds of Al'Akir, Planes Traveler or Astral Bulwark and Brimming with Life.

Winds of Al'Akir2 ranksIncreases your movement speed by 5% and the movement speed bonus of Ghost Wolf by an additional 5%.
Planes TravelerReduces the cooldown of Astral Shift by 30 sec.
Astral BulwarkAstral Shift reduces damage taken by an additional 20%.
Brimming with Life2 ranksStamina increased by 8%. While you are at full health, Reincarnation cools down 50% faster.
Talent trees
Wind Shear is in the talent tree of 3 specializations. Shaman: Elemental (DPS), Enhancement (DPS), Restoration (Healer).
Wind Shear Changes by patch
Tracked changes to this talent between game data builds, newest first.
- First tracked in the game data (patch 12.1.0)