I'll give you three detect magic attempts throughout the day
After you return to the Raging Roc
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Paral's magical aura reminds you of windswept orange silk streaked with black, reeking of burnt flesh, feeling like a ceramic smashed several times over by a sledgehammer.
Sometime during the day
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His aura is quiescent, folded in on itself. Otherwise, it looks much the same.
Before you went to sleep
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No change in his aura, save perhaps that it may have become even more still. If that is even possible.
Now
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His aura looks much the same as it did before you went to sleep, save that it no longer reeks quite so badly of burning flesh.