According to a Wendish legend

Slavic mythology

Slavic mythology is the mythological aspect of the polytheistic religion that was practised by the Slavs before Christianisation.The religion possesses many common traits with other religions descended from the Proto-Indo-European religion....

 Plusso or Blusso (a renowned Wendish

Wendish

Wendish may refer to:* the Sorbian languages used by the Slavs* the Wends, a Slav people of Northern Europe...

 pagan) killed Johannes Scotus, Bishop of Mecklenburg in sacrifice

Sacrifice

Sacrifice is the offering of food, objects or the lives of animals or people to God or the gods as an act of propitiation or worship.While sacrifice often implies ritual killing, the term offering can be used for bloodless sacrifices of cereal food or artifacts...

 to Radegast

Radegast (god)

Radegast, also Radigost, Redigast, Riedegost or Radogost, is mentioned by Adam of Bremen in his Gesta Hammaburgensis Ecclesiae Pontificum as the deity worshipped in the Lutician city of Rethra. Likewise, Helmold in his Chronica Slavorum wrote of Radegast as a Lutician god...

 during a pagan rebellion against Christianity in the Holy Roman Empire on November 10, 1066. Plusso delivered the bishop's head on a stake in the Radegast temple

Temple

A temple is a structure reserved for religious or spiritual activities, such as prayer and sacrifice, or analogous rites. A templum constituted a sacred precinct as defined by a priest, or augur. It has the same root as the word "template," a plan in preparation of the building that was marked out...

 at Rethra and danced with his wife Guidda (sister to Gottschalk

Gottschalk (Slavic prince)

Saint Gottschalk was a prince of the Obotrite confederacy from 1043 to 1066. He established a Slavic kingdom on the Elbe in the mid-11th century...

), in celebration of the deed.