To echo Necro, Coldstone was meant for one player.
But chill seems to have found something. Whether this is doable remains to be seen.
In another related question (for chill), I was wondering, using the method you've briefly described, if you can have NPC's automatically cast both offensive and healing spells. Any light on this subject would be most appreciated. (not just by me)
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V-16 Twin Bombers: $8,000,000
1 Aircraft Carrier: $4,000,000,000,000
Battlecruiser loaded with marines: $8,000,000,000,000
The look on Bin Ladin's face when we get him: Priceless...