How do you get the shape shifting ability in dragon age 2?

In Dragon Age 2, the shapeshifting ability is available to the Mage class through the Spirit Healer specialization. To unlock shapeshifting, you need to invest in the "Shapeshifter" talent tree, which allows your character to transform into various animal forms, each with unique skills and abilities. You can access this specialization by completing specific quests or reaching a certain level, depending on your game's choices.