Part 1 
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To go possible further. 
To jump on the blue root. 
When the root moved, to jump of branch in branch towards part 2

Part 2 
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As soon as you are blocked to jump of branch in branch and to crush the imp. 
To go on the table. 
To go up on the object on the left. 
To jump of object into object to the flask. 
To go to see the magician. 
He proposes the flute, the magic mirror or emerald of the chance. 
To take the flute. 
To go to see the imp in the house mushroom to take the temporal stone. 
To turn over to see the tree which speaks. 
To turn over to see the magician to exchange the flute counters the magic mirror. 
To leave the forest by the south. 
After having to jump above the large water puddle pool. 
To go to see the peasant. 

End of episode 6. 