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Originally Posted by Varyon
I assume by "wall units" you're referring to the 3x4x1 yard chunks that each yard of radius on the area effect gives you?
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Yes, sorry, that's what I meant. I was trying to find a useful shorthand, but failed to explain that.
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Originally Posted by Varyon
although personally I think that's a bit low, and would be tempted to require 5 (2 to surround the target, 2 to build on top of that surrounding wall, then 1/3 of a full unit to fill in the empty spot above the target;
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The thing is, the +60% version of Wall says that you can "form it into any shape you choose". I don't see why that shouldn't include shaping a vertical wall into a curve.
With all the math apps and such available online or on smartphones or whatnot these days, I think it's actually easier to do the math of "what's the area of the shape you want to cover, ok now divide that by 12 square yards, that's the size of the Wall you need to cover it", rather than trying to figure out "ok, how many Walls do I need to make this flat section, then this section, then that one...".
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Originally Posted by Varyon
The other thread brought up another question, which I'll also add to the original post - do walls, permeable or rigid, require contact with the ground at some point, or can they be made such that they simply hover in the air?
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In
another thread where we were discussing this, I came to the decision that by default, a Wall needs at least one anchor point. If you take the Drifting enhancement, you can create it floating in midair, and "drift" with gravity - i.e., falling down and possibly crushing anyone it lands on. I'd also allow a "Hovering" enhancement for +10%, that let you create the wall at any point, without an anchor, and then it would just stay there without moving.