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Chill stacks up to 6 times and is placed on enemies by casting Cold based spells, such as Ray of Frost and Chilling Cloud. ChillĬhill is a stacking debuff that slows enemies. Stacks are gained by casting Arcane based spells, such as Magic Missile and Arcane Singularity. 1 stack of Arcane Mastery increases your arcane damage by 3%, but can also increase strength of some specific powers. Arcane Mastery is a buff that stacks up to 5 times.
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