Lightning Overload, a WoW Forever Shaman talent, in words

What it does Elemental row 5

• 
  Lightning Overload3 ranks · passiveRequires 20 points in Elemental Talents (level 30).Rank 1: Gives your Lightning Bolt and Chain Lightning spells a 3% chance to cast a second, similar spell on the same target at no additional cost that causes half damage and no threat.Rank 2: Gives your Lightning Bolt and Chain Lightning spells a 7% chance to cast a second, similar spell on the same target at no additional cost that causes half damage and no threat.Rank 3: Gives your Lightning Bolt and Chain Lightning spells a 10% chance to cast a second, similar spell on the same target at no additional cost that causes half damage and no threat.New in Forever. No Classic talent with this name.

Around it in the Elemental tree

• UnlocksLava Burst: it needs Lightning Overload at max rank.
• Same row (20 points in Elemental, level 30)Elemental Reach, Earthbound.
• Row above (level 25)Improved Fire Nova, Eye of the Storm, Call of Thunder.
• Row below (level 35)Elemental Fury.
• Gone from Classic ElementalElemental Mastery.

Every Elemental talent 16

• Convectionrow 1
• Concussionrow 1
• Elemental Wardingrow 2
• Reverberationrow 2
• Call of Flamerow 2
• Elemental Devastationrow 2
• Elemental Focusrow 3
• Elemental Alacrityrow 3
• Improved Fire Novarow 4
• Eye of the Stormrow 4
• Call of Thunderrow 4
• Elemental Reachrow 5
• Lightning Overloadrow 5
• Earthboundrow 5
• Elemental Furyrow 6
• Lava Burstrow 7