A passenger on a train watches in terror as a massive creature slams into the carriage and derails the high-speed train

Prompt

A passenger inside a train, gripping tightly, eyes wide. A massive creature slams into the side of the train, derailing it violently. High-speed train crossing open landscape, debris flying instantly. 
Handheld tracking shot inside the train, camera thrown sideways on impact, glass shattering and chaos erupting.