This is the story of Muhammad Delfi, also known as Buyung. A quiet young man from Riau, who became one of Indonesia’s most horrifying serial killers.

After Buyung’s mother died in 2010, Buyung started participating more deeply in occult rituals. Bathing in water collected from seven springs mixed with seven flowers. Spiritual cleansing rituals. Fasting. Mystical practices.

To most people, that sounds bizarre. But for him, it was normal life. Eventually, Buyung became obsessed with the idea of inheriting his father’s powers. And this, where everything started to go wrong...