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When you consume Nether Precision, conjure 2 Arcane Splinters.

Arcane Splinter:
Conjure raw Arcane magic into a sharp projectile that deals [ 28.8% of Spell Power ] Arcane damage.

Arcane Splinters embed themselves into their target, dealing [ 28.8% of Spell Power ] Arcane damage over 18 sec. This effect stacks.