1. The Chase:
- Sir Henry Baskerville, having been tricked into venturing onto the moor, is pursued by the Hound.
- The Hound is described as a monstrous, spectral beast, larger than any dog, with glowing red eyes and a terrifying presence.
- The chase culminates in a confrontation at the edge of a bog, where Sir Henry narrowly escapes being killed by the Hound.
2. The Unveiling of the Truth:
- During the chase, Watson and Holmes arrive at the scene.
- Holmes, using his deductive reasoning, quickly realizes the Hound is not supernatural but a real, trained animal.
- He identifies the true culprit as Stapleton, the seemingly harmless naturalist who has been manipulating events to inherit Baskerville Hall.
3. The Final Confrontation:
- Holmes confronts Stapleton, revealing his plan and the truth about the Hound.
- A dramatic struggle ensues, with Stapleton trying to escape and Holmes pursuing him.
- The confrontation culminates in Stapleton's death in the bog, a fitting end for the villainous mastermind.
4. The Resolution:
- The Hound is discovered to have been trained by Stapleton, and the real source of its terrifying appearance was a phosphorous compound used to make its eyes glow.
- The mystery is solved, and Sir Henry is safe, able to inherit Baskerville Hall without fear of the Hound.
Overall, the climax is a thrilling blend of suspense, action, and revelation. It marks the point where the mystery is finally unraveled and the true nature of the Hound is exposed. The confrontation with Stapleton and the climax of the chase on the moor make for a truly gripping finale to this classic mystery.