Overcharge

In the Enhancement Shaman talent tree, Overcharge sits in the Enhancement specialization talents, row 5 of 11. It is a single-point node. Its row opens once 8 points are spent in Enhancement Talents.

Connected above

The tree draws a line into Overcharge from Unruly Winds and Overflowing Maelstrom.

• 
  Unruly Winds

  Windfury Weapon has a 100% chance to trigger a third attack.

• 
  Overflowing Maelstrom

  Maelstrom Weapon can now stack 5 additional times. Each Maelstrom Weapon stacks consumed grants Overflowing Maelstrom, reducing the cast time of your next Healing Surge or Chain Heal by 10%, and increasing their healing by 10% up to 10 times.

Connected below

Overcharge leads on to Storm's Wrath and Elemental Tempo.

• 
  Storm's Wrath

  Increase the chance for Mastery: Enhanced Elements to trigger Windfury and Stormsurge by 150%.

• 
  Elemental Tempo

  Elemental damage increased by 10%.

Same row

Also on this row: Stormblast, Raging Maelstrom, Flurry and Hot Hand.

• 
  Stormblast

  Stormstrike has an additional charge.

• 
  Raging Maelstrom

  Lightning Bolt and Chain Lightning can consume up to 10 Maelstrom Weapon stacks.

• 
  Flurry

  Increases your attack speed by 15% for your next melee swings after dealing a critical strike with a spell or ability.

• 
  Hot Hand2 ranks

  Melee auto-attacks with Flametongue Weapon active have a chance to reduce the cooldown of Lava Lash by 25.3731% and increase the damage of Lava Lash by 20% for 8 sec. May not occur during an active Hot Hand.