frankthedm
First Post
It is an issue of Text vs. Example.I play it by the book. I don't know if the SRD includes it or not, but the illustration on page 176 of the PHB says: "All squares through which the line passes or touches are affected by the attack."
Skip Williams addressed the issue in a RotG article..
Originally Posted by Skip RotGA
Line: A line's point of origin is one corner of the caster's space. (If the caster's space fills more than one square, you can use the optional rule suggested for cones to select the point of origin.) The line extends from the point of origin in any direction the caster chooses and reaches as far as the spell's range (or until its line of effect is blocked). The rules regarding lines are somewhat muddled; however, a line affects anything in a square that the line passes though or touches. So, if you send a line straight down a gridline, it will affect the squares to either side of the line. Some people like to limit a line's effects to a width of 5 feet. If so, the caster chooses which side of the line gets affected when a line passes between two squares. (Choose a side when you aim the spell, and once you choose, you have to stick with that side.)
Sadly errata was never issued for the rules text of the PHB. Pathfnder went with the less generous interpretation for lines as well.
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