Versatile

This has been removed from Heroes of the Storm.

Versatile
Tier 2 (Hero Level 4)

Increases Innervate's Mana return to 30%.

Malfurion

Patch changes

•  (Patch February 2, 2016) Note: Bonus to Innervate’s Mana return increased from 25% to 30% of the target’s maximum Mana.
•  (Patch July 21, 2015) Note: No longer increases the target’s Attack Speed; Increases Innervate’s Mana return from 15% to 25%.