Single horn heals or detects poison

Unicorn

The unicorn's horn, believed to possess magical properties, is said to have the ability to purify water and heal the sick

Karkadann

the Karkadann is also associated with nobility and purity in some legends, with its horn believed to have healing properties and the ability to purify water.

Camahueto

The most remarkable feature of the Camahueto is undoubtedly its horn, which is believed to possess extraordinary healing properties.