Rune of Power

Rune of Power
	Rune of Power; Level 45 mage talent; 30 yd range; 45 sec recharge; 1.5 seconds cast; Places a Rune of Power on the ground for 10 sec which increases your spell damage by 40% while you stand within 8 yds. Max 2 charges.;
Usable by
Class	Mage
Properties
Type	Utility
School	Arcane
Recharge	45 seconds
Other information
Level learned	45
Improvements	[Ice Floes]
Related buff
	; Rune of Power ; Spell damage increased by 40%. ;

Rune of Power is a level 45 mage talent. It acts as a ground-targeted spell power buff. It has a hidden 10 second cooldown between casts.

Improvements

Patch 7.1.5 (2017-01-10): Damage bonus is now 40% (was 50%).
Patch 7.0.3 (2016-07-19): Duration reduced from 3 minutes to 10 seconds, damage increased from 15% to 50%. Now has two charges and a cooldown.
Hotfix (2015-10-26): "Fixed an issue that could allow Rune of Power effects to be retained incorrectly."
Patch 6.0.2 (2014-10-14): No longer replaces [Evocation], no longer increases mana regeneration, and now lasts 3 minutes (up from 1 minute).
Patch 5.4.0 (2013-09-10): Now has an increased effective range. The Mage can remain up to 8 yards away from their Rune of Power and still receive benefits to mana regeneration and spell damage (up from 3 yards).
Patch 5.2.0 (2013-03-05): Increases the Mage's mana regeneration by 75% (was 100%) while standing inside the rune.
Patch 5.1.0 (2012-11-27): Duration now shows in the UI, and no longer has a cooldown (was 6 seconds).
Patch 5.0.4 (2012-08-28): Added.

Rune of Power
Rune of Power Level 45 mage talent 30 yd range 45 sec recharge 1.5 seconds cast Places a Rune of Power on the ground for 10 sec which increases your spell damage by 40% while you stand within 8 yds. Max 2 charges.
Usable by
Class	Mage
Properties
Type	Utility
School	Arcane
Recharge	45 seconds
Other information
Level learned	45
Improvements	[Ice Floes]
Related buff
Rune of Power Spell damage increased by 40%.