You don't actually spend points on that. Once you open that tier of the Power tree you can start upgrading your powers to its maximum of 3 points. Until that you could only upgrade with 2 points.
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craftymangMember, Neverwinter Beta UsersPosts: 26Arc User
edited June 2013
What that means is that at 20 points invested you can unlock tier 3 of all previous and forthcoming powers. There's no secret power hiding under that little square, it's just a tooltip.
You simply mistook what it said, It's NOT an unlock. It's simply an info box saying that once you reach 20 Points that you can start putting rank 3 in the lower level powers. There is no special "unlock"
Comments
What is locked?
You don't actually spend points on that. Once you open that tier of the Power tree you can start upgrading your powers to its maximum of 3 points. Until that you could only upgrade with 2 points.