In the book Dracula, when Renfield escapes, the place where he goes next is:
The thing which happens when Dr. Seward approaches him is:
Based on the complete text, we can see that Renfield was a vampire like Dracula and was working for him and aiming to please him based on the promises of flies and spiders which were promised to him by Dracula.
With this in mind, we can see that Dr Seward is a man that is obsessed with hunting the undead and goes on hunts, fuelled by morphine and Renfield is next on his list and he tracks him to Carfax estate where he plans to kill him, and there is a standoff.
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