A person who has an intense desire to hurt others or who craves violence and bloodshed.
From 'bloodthirst' plus the agent suffix '-er,' meaning 'one who thirsts for blood.' This term dates to the 17th century and was commonly used in literature to describe particularly violent or cruel antagonists.
In fantasy literature, the 'bloodthirster' became an archetype—think of the most violent villains in games and novels. The term captures something timeless: humanity's fascination with and fear of people who seem to genuinely enjoy causing harm.
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