The Curse of Frankenstein

Victor murdered Professor Bernstein to steal his brain for the creature, believing Bernstein's intelligent brain would give the creation intellect. He lured Bernstein to his house under the guise of a friendly visit, then pushed him down the stairs to make his death look accidental.

Earlier, Victor had explicitly sought out a brain from someone with exceptional intellect to grant the creature intelligence.

The creature turned violent because the brain was damaged during retrieval. When Victor retrieved Bernstein's brain from the vault, a scuffle with Paul Krempe compromised the brain's potential intelligence, leaving the creature with diminished mental capacity and a violent temperament.

Paul's moral concerns about harvesting corpses foreshadowed the complications that would arise from their unethical methods.

Victor accidentally shot Elizabeth when the creature threatened her from the roof on the night of their wedding. Victor fired at the creature in the darkness but struck his wife instead, as the monster was positioned behind her.

Paul's warning to protect Elizabeth earlier in the story hinted at the danger she would face from Victor's experiments.

After Paul left town and the creature was buried, Victor decided to revive it because he could not accept the failure of his experiment. His ambition drove him to continue pursuing his goal of creating life, even after the creature had already caused harm.

The successful puppy revival experiment earlier established Victor's pattern of pushing forward despite warnings.

Paul refused to testify because he felt complicit in the experiments since he had assisted Victor for years and helped retrieve the brain. Though he opposed Victor's methods, Paul could not condemn his former mentor without incriminating himself.

Paul's initial assistance with the experiments and his role in damaging the brain created a bond of guilt that prevented him from betraying Victor.

The creature killed the blind man because it was driven by confusion and violence due to its damaged brain. Having just been brought to life with impaired cognition, the creature attacked the defenseless man in the woods before Paul could stop it.

The creature's violent nature was directly caused by the damaged brain, which Victor knew was compromised but used anyway.

Justine's fate is mentioned briefly, she claimed to be pregnant by Victor and threatened to expose his experiments unless he married her. The timeline cuts off before revealing her ultimate outcome, but this confrontation occurred before the wedding.

This subplot adds to the mounting pressures on Victor as his secret experiments begin affecting his personal life.

Paul shot the creature in the eye to stop it from killing the blind man and to protect himself and Victor. After the creature escaped the laboratory and attacked in the woods, Paul fired at the creature to disable it.

This was Paul's first direct confrontation with the dangerous creature he had helped create.

Victor hired Paul Krempe to tutor him in science after his mother's death, seeking formal education to pursue his obsession with unlocking the secrets of life. Over two years, they studied together and began their reanimation experiments.

The tutor relationship established the collaboration that would eventually lead to creating the monster.

The creature escaped the laboratory shortly after being animated, breaking free from Victor's control. Its violent nature and lack of intelligence, resulting from the damaged brain, caused it to flee and seek freedom.

Victor knew the creature was dangerous but proceeded with the animation anyway, ignoring the risks.

At the end, Victor threw an oil lamp at the creature on the roof during the confrontation. The creature's clothes caught fire, and it fell into a vat of acid below, destroying all physical evidence of Victor's creation.

This violent climax was the inevitable result of Victor's unchecked ambition throughout the film.