Star Wars Episode III: Revenge of the Sith is by far the darkest installment in the franchise. At the end, Anakin and Obi-Wan duel on the volcanic world of Mustafar, and Anakin meets his robotic end. The footage of the lava erupting from the volcano was actually real footage taken of Mt. Etna in Italy.
Staying fit is certainly a commitment. Besides doing the physical training, there are some other factors to consider, like nutrition