Larian Studios Forums Divinity II The Dragon Knight Saga / Flames of Vengeance (English) Help/Tips/Tricks Stuck at sentinel island! Plz Help!

Ok, So I am stuck on sentinel island and I cant get into the battle tower. I have batteled the two sisters in the cave, chosen all 4 of my peeps for the tower, but there is still a red barrier by the camp and I cant find any other way in. Am I missing something??? Any help would be great and Thanks!!!

You got a book of magic (Arcane Notebook) that can control wind when you rescued the guy on the top of the pillar (near the trainer Kenneth). There is a windy spot near where you start on the island with a tombstone and three candles...

Thanks!! I appreciate the help!!