Enervate Spell (4e Feat)
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Enervate Spell [Metamagic]
Your spells chanel necrotic energy.
Prerequisite: Nongood alignment
Benefit: Before using a wizard at-will or encounter attack power, you can choose to take a -2 penalty to each die of damage rolled with the power. If you do so and the power hits, it causes necrotic damage and the target suffers a -1 penalty to attack rolls until the end of your next turn. This feat can't be used on a power that doesn't roll dice for damage.