Berserker

Berserker image
The Vikings are said to have ritually ingested Amanita muscaria, in order to enter the ‘berserker’ state, ready for battle (the Icelandic name for fly-agaric supposedly contains the word, ‘berserk.’)

Verification on the Icelandic word for “fly-agaric” would be appreciated.

Amanita muscaria
Amanita muscaria