Though Ost-in-Edhel and the Hollin Ridge were more than 100 miles apart, I think we can continue on with the idea that Brak's crows found the Fellowship and is racing southward to Isengard in an effort to be the first to report to the White Wizard.
Akaaw will soon discern their treachery and give persuit.
All cameo appearances (you know who you are) would best occur soon, because it won't take long for is to reach Orthanc.
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The Barrow-Wight
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