'The corrupted trees must be purged out of the southern Barrow-downs but they may yet return to the natural fold. To determine this, I will need their seeds.

'Collect their seeds and return them to me. If they can be saved, I will see that the seeds are brought to a place where they can grow into natural creatures once again.

'You will find the corrupted trees deep within the southern Barrow-downs where the walls of the Old Forest are too thick to pass beyond.'