can't find the third cactus fruit.
Did you progress behind the magic barrier in the sands via the main quest?
don't know how to
Progress Mariam's optional quest and find Robert in Thula's inn. He will help with the barrier. Try using your guest journal for more hints.
how do we unlock Mariam's optional quest
Maggie contacts you over her lamp about this. Then, visit Mariam in the church in Bright Meadows.
