Most of the key cast members are Kedah natives, chosen for their ability to speak the local dialects authentically.
Inspired by real life incidents from the director's childhood. In a Q&A session, the director shared that he actually has three other brothers, but decided to have only two children in the script to let the story be more streamlined. The father eventually became a remover of hexes after his recovery.
The folklore and superstitions are based on real local folk beliefs.