Pyroclasts are eloquent storytellers observes the notion of prediction—where humans always have their own methods and apparatus in constructing their predictions for the future. In this context, this film focuses on the eruption forecast of one of the most active stratovolcano in the world: Mount Merapi. For many human who live around the volcano, Merapi as a geological entity is a symbol of a contingent future. Pyroclasts are eloquent storytellers delves into the psyche of the mountain as well as examines the practice of prophecy performed by people who live around the volcano with their multimodal approach to worldviews.