Balance When activated, dramatically improves the Druid's ability to tank, deal melee damage, and heal.
Feral When activated, dramatically improves the Druid's ability to tank, cast spells, and heal for 45 sec.
Guardian When activated, dramatically improves the Druid's ability to deal melee damage in Cat Form, cast spells, and heal.
Restoration When activated, increases all healing done by 35% and dramatically improves the Druid's ability to tank, deal melee damage, and cast spells.
Hotfix (2014-11-25):Heart of the Wild's bonuses are now halved when used while in PvP combat.
Patch 6.0.2 (2014-10-14): Redesigned. No longer provides an increase to Hit, Expertise, Stamina, Agility, and Intellect while active.
Patch 5.4.0 (2013-09-10): When activated, now also provides a 25% bonus to healing for Restoration Druids.
Hotfix (2012-09-20):Non-Restoration Druids will now properly get a mana discount when casting [Cenarion Ward] while Heart of the Wild is active. Feral and Guardian Druids will also properly gain increased healing.