Luke, I am not your father Trophy in Forest Legends: The Call of Love
Luke, I am not your father
For revealing Francis’ secret
How to unlock Luke, I am not your father
Story Related, Cannot be Missed
This should unlock after solving the chest puzzle in the healers house during Chapter 2. Upon opening the chest you can select a document to read revealing that Eveline's Father is not her biological father. This cannot be missed as an item essential to furthering the story is hidden behind the document.