Yep, now that you mention it, the lighthouse is Safana, right. Sorry !!
I can remember where is Coran (my mistake in this game has been that i havent tried most of the NPCs
), but if people says shes in cloakwood, try there.
luck !!
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"Iīve been captured... and I donīt care" -Ertai, Captive of the Blinding Angel