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== Abilities and Weaknesses ==
Lightweaving allows for the creation of optical and auditory illusions.{{book ref|sa2|ars}} Lightweavers can use this to make disguises.,{{wob ref|5775}} and is able to produce light.{{wob ref|12579}} It could also make illusions in smoke such as making images of [[Derethil|people]] and [[Wandersail|ships]].{{book ref|sa1|57}}{{wob ref|8329}} All illusion magic will work in a similar manner.{{wob ref|7252}} Illusion magic is capable of creating auditory and visual manifestations either independent of a Lightweaver (i.e. fixed in place) or linked to a host.{{book ref|sa2|ars}} Both require a steady source of [[Investiture]]. These manifestations are linked to a person's mind and are largely a mental creation having no physical mass. They are capable of movement. However this is more complicated than a static image and requires greater mental control to function. The range of an image is limited to its proximity to a source of Investiture. As the Lightweaver moves away from an image it will begin to blur and then dissolve when its connection is broken. Increased focus on the part of a Lightweaver can increase the range but not greatly.
Lightweaving does not always seem to function perfectly on [[Roshar]].{{wob ref|9346}} Their powers on the [[shardworld]] can be limited, and they can have trouble making some aspects of the magic work, even after multiple attempts.{{wob ref|9346}} It is uncertain why this occurs and whether or not this issue is unique to Roshar.
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