Complex sentence: On the journey he was tortured with hot instruments, castrated, his fingers, nose and ears were amputated, his tongue and eyes removed, and when they reached Vercelli he was finally burned at the stake.
Split into simpler sentences: On the journey he was tortured with hot instruments, castrated, his fingers, nose and ears were amputated, and his tongue and eyes removed. When they reached Vercelli he was finally burned at the stake.