Collect the talisman ingredients:

Mushroom and lichen: Go to the alley between the boarded hut and the wall at right.

Take the peculiar mushroom from the ground at left and the rare lichen on the beam or on the ground at wall of the building at right.

Squirrel with strange acorn: Go in between the two huts and see a squirrel running on the roof of left hut. See that it is carrying a strange acorn. Eymerich says to trap the squirrel.

Collect the stick on the ground between the 2 huts. Push the protruding beam under the roof of right hut.

Go left towards the stable and the rear. Observe the collapsed staircase at right.

See that the squirrel goes behind the hut at left.

There is a wood gate blocking the way. Break the gate and Eymerich kicks the fence down.