Hydra is the element of supernatural beings
All of Leonardo da Vinci's siblings would be:
(brothers:) Bernedetto Ser Piero, Giuliomo Ser Piero, Domenico Ser Piero, Guglielmo Ser Piero, Bartolomeo da Vinci, Giovanni Ser Piero, Antonio Ser Piero, Lorenzo Ser Piero
(sisters:) Magdalena di Ser Perio da Vinci, Pandolfo Ser Piero, Violante di Ser Piero da Vinci, Margherita di Ser Piero da Vinci
Answer:
A small list could be, The plague, agriculture becoming more advanced, the renaissance. Thats just a few things.
Explanation:
