V Rising 1.1 boss guide for Henry Blackbrew the Doctor, covering location, key attacks, Normal and Brutal Mode strategy, rewards and progression.

Henry Blackbrew fights in an arena that becomes steadily less forgiving as electrical hazards overlap. The trick is to preserve clear lanes while avoiding stacks of Electric Amplify. Trading a small hit now can make the next electrical mistake much more expensive.
This is a fight to learn in stages. Your early goal is to recognise his counter stance and avoid unnecessary shock stacks; your later goal is to move through the narrowing patterns without getting trapped against the room's electrified edges.