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<blockquote data-quote="DreamChaser" data-source="post: 3640456" data-attributes="member: 1190">as many things, this is a logical inference.if a area spell reaches a space to which it does not have line of effect, it stops spreading in that direction. (this is obvious, you cannot cast a fireball in a hallway and have the fireball not affect the wall then skip to the parallel hallway and affect things there).Prop 1: An area effect that reaches an area to which it lacks line of effect stops spreading in that direction.AMF does not allow any magical effects to exist within it (with rare exceptions), thus a spreading fireball stops when it reaches the border of the effect.Prop 2: AMF stops area effects from spreadingSo combining these, for a area effect to continue on the other side of an AMF seems unlikely and strange because AMF appears to behave like anything else (a wall of glass for example) that blocks line of effect but not line of sight)Conclusion: It can be inferred that AMF blocks line of effect.This is inference, not deduction and is not 100% logically sound by nature (we are arguing from the specific to the general rather than the other way around) but within the Core RAW, this is what I found.Perhaps there is more in Errata and FAQ land.DC</blockquote>

[QUOTE="DreamChaser, post: 3640456, member: 1190"] as many things, this is a logical inference. if a area spell reaches a space to which it does not have line of effect, it stops spreading in that direction. (this is obvious, you cannot cast a fireball in a hallway and have the fireball not affect the wall then skip to the parallel hallway and affect things there). [B]Prop 1: An area effect that reaches an area to which it lacks line of effect stops spreading in that direction.[/B] AMF does not allow any magical effects to exist within it (with rare exceptions), thus a spreading fireball stops when it reaches the border of the effect. [B]Prop 2: AMF stops area effects from spreading[/B] So combining these, for a area effect to continue on the other side of an AMF seems unlikely and strange because AMF appears to behave like anything else (a wall of glass for example) that blocks line of effect but not line of sight) [B]Conclusion: It can be inferred that AMF blocks line of effect.[/B] This is inference, not deduction and is not 100% logically sound by nature (we are arguing from the specific to the general rather than the other way around) but within the Core RAW, this is what I found. Perhaps there is more in Errata and FAQ land. DC [/QUOTE]

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