Splinterstorm
Casting Arcane Surge conjures 8 Arcane Splinters. During Arcane Surge, your chance to conjure an additional Arcane Splinter is increased to 100%.
Tree position
In the Arcane Mage talent tree, Splinterstorm sits in the Spellslinger hero talent tree, row 5 of 5. It is a single-point node.
Connected above
The tree draws a line into Splinterstorm from Spellfrost Teachings, Polished Focus, Archmage's Wrath and Signature Spell.

Polished FocusCasting Arcane Barrage while at 20 or more Arcane Salvo stacks refunds 3 Arcane Salvo stacks. Arcane Barrage damage increased by 15%.
Archmage's WrathArcane Surge damage increased by 30%. Your chance to gain Clearcasting is increased by 3%.
Signature SpellArcane Blast and Arcane Pulse damage increased by 15%. Casting Touch of the Magi conjures 4 Arcane Splinters.
Talent trees
Splinterstorm is in the talent tree of 3 specializations. Mage: Arcane (DPS), Fire (DPS), Frost (DPS).
Splinterstorm Changes by patch
Tracked changes to this talent between game data builds, newest first.
- First tracked in the game data (patch 12.1.0)