Was ＂Weapons＂ Influenced by Medieval Magical Beliefs？ (Myth Magic and Movies short)

In this clip Luka speculates on whether the filmmakers behind “Weapons” were influenced by medieval magical beliefs. Luka goes into how people “siphoned” the life force of the executed in an attempt to extend their lifespans, how a dismembered hand could possibly cure disease, and just how long people held onto these seemingly supernatural beliefs.