Where in the 6th bough can i find the shaman who has the Martens helmet?What do i have to say to him?

He is in the building with the pedastel outside it that "needs a specific item" (the idol). You will find the words in your journal if you read Marten's diary while you were at Marten's Bluff...something like "eternal trust survives the soul".

This is all provided you ate the Zuzu petals, drank the mystery potion and talked with him already on the seventh bough. [img]smile.gif[/img]