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Whenever you have 8 or more active Embedded Arcane Splinters, you automatically cast a Splinterstorm at your target.

Splinterstorm:
Shatter all Embedded Arcane Splinters, dealing their remaining periodic damage instantly.

Conjure an Arcane Splinter for each Splinter shattered, then unleash them all in a devastating barrage, dealing [ 28.8% of Spell Power ] Arcane damage to your target for each Splinter in the Splinterstorm.

Splinterstorm has a 5% chance to grant Clearcasting.