Answers await...
Krayen has visited the place where it all began.. The first parasites were created and experimented with on this exact location.
Find out all the missing details about Krayen's past and the story of the parasitic organisms plaguing the Daggerfang and the Idu'ran in the upcoming...
Mission 20 "Sentient Reality"
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I would, but I'm in NA and am going to sleep now! I do plan on trying this out before the weekend though.
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The HotS/LotV missing dependencies is also happening to me. Just click No, the go to File>Manage Published. Here, you have to log in to Battle.net, then try reopening the map in question within the editor and it will work properly. This may actually fix your other problems too.
I'm hopeful this will get corrected soon because it just adds another unnecessary step to playing anything offline through the Editor.