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Shock sphere
wizard attack 3

area burst 2 within 10 squares

Target: each creature within this power's burst

Attack: Intelligence vs. Reflex

Hit: "2d6 + Intelligence modifier lightning damage."

Miss: "Half damage."

Shock sphere is a 3rd-level wizard encounter attack power. It deals lightning damage to each creature within its burst that it hits. It also deals half damage on a miss.[PH:161]

The Essentials update added half damage on a miss to shock sphere.[U :E][HotFL:211] The "Class Compendium: The Arcanist" article in Dragon #401 added the evocation keyword to shock sphere.[Dr401:57]