The Witcher Bestiary - Drowner
Drowner Occurrence: Drowners are creatures of the night; they appear on the banks of ponds, lakes and rivers.

Immunity: Immune to bleeding, blinding and poison attempts; fearless, immune to stun attempts and the Axii Sign.

Susceptibility: Very sensitive to silver and susceptible to knockdown attempts; the Fast Style is most effective against drowners; experienced witchers use the Group Style against multiple drowners.

Tactics: Usually attack in large groups and take advantage of numerical superiority.

Alchemy: Drowner brain tissue, Ginatz's Acid, cadaverine.

Drowners are scoundrels who ended their wicked lives in the water. Drowned alive or thrown into deep water after death, they turn into vengeful creatures which stalk the inhabitants of coastal settlements.