In practice, it may not be possible. No one has ever been severed twice before (I could be wrong, though). The first time someone is severed, it's usually pretty emotionally disturbing. The second time could be worse, since they lost the ability, got it back, then lost it again, which could have even greater reprocussions on the person who was severed.
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Just for fun... Siuan's ability in the power... 
- 11/06/2010 06:41:44 AM
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- 11/06/2010 06:41:44 AM
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Re-severing may not be necessary
- 11/06/2010 01:24:26 PM
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- 12/06/2010 08:15:27 AM
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That probably depends on if you think of severing as happening always at a single point.
- 12/06/2010 03:07:43 PM
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In theory, it seems possible.
- 13/06/2010 12:05:24 AM
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I think so. Esp. with Eldrene, Lews Therin and what we learned from Elayne's "unravelling" incident
- 13/06/2010 07:38:52 PM
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Robert Jordan once said it may be used as a plot point.
- 17/07/2010 10:46:24 AM
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I'd like to see them re-healed. It would be a good way to prove to the AS that men are equal
- 17/07/2010 03:31:24 PM
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