Gain 15% of your total mana instantly and another 45% of your total mana over 6 sec.
For those trained to draw on its power, the wellspring of magical energy is limitless.
Evocation is a core mage ability learned at level 40. It is a mana regenerationutility spell that allows a mage to recover mana very quickly, even in battle. Evocation is great if you run out of drinks. The spell is channeled over six seconds; the mage cannot take another action, else the channeling will be interrupted, as with all channeled spells. Any damage taken (excluding active DoTs) may reduce the channeling time, which in turn reduces the amount of mana gained. "Evocate" is often used as a verb; to evocate is to channel the Evocation spell.
Evocation restores a fixed amount of mana based on the mage's total mana pool, including all current buffs and gear which increase this total. Mana is restored at a rate of 15% of the mage's total mana every two seconds, for a total of three ticks over six seconds, or 45% mana in total.
Your Evocation ability also causes you to regain 60% of your health over its duration.
With the Invocation talent, you instead gain 10% of your health upon completing an Evocation.
With the Rune of Power talent, you gain 1% of your health per second while standing in your own Rune of Power.
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Evocation is excellent for longer fights, such as PvE raid boss encounters. It reduces the mage's need for a large mana pool, allowing him/her to focus gear on other areas such as damage output.
Items in the weapon slots (main hand, off hand and wand) can be swapped while in combat. The amount of mana restored on each tick is based on the current maximum mana. Swapping weapons to ones with high intellect, thus raising the maximum mana value while evocating can increase the amount of mana restored. This can be accomplished with a macro, or with an add-on that does it automatically.
Patch 3.0.8 (2009-01-20): Cooldown reduced to 4m, and the talent Arcane Flows reduces this cooldown further by 1m/2m.
Patch 2.3.0 (13-Nov-2007): Evocation now regenerates 15% of total mana every 2 seconds rather than increase Spirit based regeneration.
Patch 2.2.0 (25-Sep-2007): The animation for the spell was changed to the new animation also used for Cyclone, only blue.
Patch 2.2.0 (25-Sep-2007): Abilities that grant a power increases (such as Evocation) were changed to guarantee a consistent number of ticks of regeneration at the increased level. For Evocation, this means that as soon as the spell is cast, a single tick of mana regen will be awarded at the normal level, then exactly 2 seconds and every 2 seconds after, the 1500% of mana regeneration will be returned, guaranteeing a full 4 ticks of increased regen every time. Previously, with unfortunate timing, increased mana would be returned on only 3 ticks.