Alexstrasza by Tyranidus

This trait stacks (max 4) for each friendly hero within an area around Alexstrasza. For each stack, Alexstrasza's ability cooldowns are reduced by 5%.

Alexstrasza heals an ally for a small amount. For each stack of Life Binding, this heal increases by 5%. (10 second cooldown)

Alexstrasza blesses an area, all allies gain a 20% speed boost and 1 charge of Block. For each stack of Life Bending, the speed boost increased by 5%. (5 second cooldown)

Automatically activates when Alexstrasza takes damage while below 25% health, after channeling for 2 seconds, her health is set to 50% of her total health. (25 second cooldown)

Alexstrasza transforms into her dragon from. While in her dragon form, she cannot cast any abilities. Enemies within an area around her lose 5 percent of their total health per second and allies within the area gain 5 percent of their total health. This transformation lasts for 4 seconds. (80 second cooldown)

Alexstrasza can target either 1 enemy or 1 ally. This ability channels for 3 seconds then that targets health is set to 50% of its total health. (50 second cooldown)