Should I do something with the holes?

Hint 1 of 14:

Yes!

Hint 2 of 14:

What did you do before with holes?

Hint 3 of 14:

Cover one of the holes with the cauldron

Hint 4 of 14:

Get the Orivor to come out again

Hint 5 of 14:

The Orivor should uncover a pendulum

Hint 6 of 14:

If you're nice to the Orivor he may give you something you need!

Hint 7 of 14:

Find some gold

Hint 8 of 14:

Use the pendulum to find gold

Hint 9 of 14:

Give the gold to the Orivor in exchange for some rope

Hint 10 of 14:

Continue constructing the bow with the rope

Hint 11 of 14:

Shoot at the walnut

Hint 12 of 14:

Collect the feathers

Hint 13 of 14:

with the pipe