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Glyphs
Glyph of Arcane Power
Glyph #313
Wowpedia
Glyph of Arcane Missiles
Glyph of Arcane Power
Glyph of Blink
Glyph of Arcane Power
Major Glyph
While Arcane Power is active the global cooldown of your Blink, Mana Shield, and Mirror Image is reduced to zero.
Glyph of Arcane Power