Don't think so, it doesn't effect your saving throws or any of that, try it then, fight Kangaxx and see if you can( or cannot) be imprisoned. If you want to be immune btw, get shadowkeeper, take all resistanceses to 100 and nobody can harm you (except for a few spells)
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The book of wisdom
http://www.angelfire.com/rpg2/mirac
- Priest of Helm
- Fellow Table Dancer of the Jerome's Table dancer group
- Spell formulater of the IW peace-keeping force
- Magical advisor of MiLady Lioness
- Worshipper of Dradeel
Bad dog, bad dog -Dradeel