Turn on Annotations. Some things not included in the tutorial though: Each powerset may have a different specialization from another powerset, although the crit bonuses they grant remain the same for each power. Since my toon is Ice, it grants two different HP bonuses. This is the same as Fire, but when compared to Mental, you will realize that it will grant either a Power bonus or a Stealth bonus instead. Specializations usually reflect on what role and what type of abilities the powerset have. I will list them all down later when I have the time. There is also currently a bug that, when you have the same amount of power points spent on both trees, when logging out, the game recognizes only the first tree as the specialization, even if you had intended the second tree to specialize. That is, if I had spent 5 points first on Cryogenics, which is the second power tree, and then 5 points on the Storms tree, which is the first tree, and then I log out, when I log back in, the Storms tree will always grant me the specialization even though I had intended my specialization for Cryogenics.