Solution
go to the sherwood forest {somewhere near the ocean and hook}, find a rat and
an owl {each in a different room}, kill them both, get the tooth and the
feathers, find a room where you can 'pass bush' and you'll find robin, give
the tooth and the feathers to robin, he'll win and arrow for you which lies
in the cave, enter cave, get arrow, out, pass bush, now find a hill which you
can climb and then go south, give arrow to hern