The only problem about using Turn Undead is that the character doign it can't do anything else except move. Try to use an item, cast a spell or attack, and you stop Turning. Not good if that character also happens to be your tank or primary spell caster.
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"Butt-kicking for goodness!" - Minsc
"Cities always teem with evil and decay. Let's give it a good shake and SEE WHAT FALLS OUT!!" - Minsc