Hastie Lanyon's Death
Strange Case of Dr Jekyll and Mr HydeThe decline and death of Dr. Lanyon, caused by the shock of witnessing the transformation.
increasing
Bearing strength in each event
decreasing
The Meeting with Hyde

The Meeting with Hyde
A Terrifying Visitor
Lanyon receives a desperate request from Jekyll and agrees to help. He retrieves a drawer from the cabinet and waits for the messenger. When Hyde arrives, Lanyon feels a profound revulsion.
The Transformation
Lanyon watches Hyde drink a potion and transform into Jekyll. The sight shatters his rational worldview. He is filled with horror and disgust.
The Aftermath
Jekyll explains everything, but Lanyon cannot bear it. He feels that his life is shaken to its roots. He writes his account and seals it, knowing he will die.
The Final Days

The Final Days
A Doomed Man
Lanyon grows pale and emaciated. He tells Utterson that he has had a shock and will never recover. He regards Jekyll as dead and refuses to speak of him.
The Sealed Envelope
He gives Utterson a sealed envelope with instructions to open it only after Jekyll's death or disappearance. He dies within a fortnight, his face marked by terror.
The Legacy of Horror
Lanyon's death is a direct result of the knowledge he gained. He could not live with the truth. His narrative becomes a key piece of evidence for Utterson.
9th January, midnight
after the 9th January, until his death