Prion is a band from Argentina. Their first demo containing 5 songs, it was called "Corpse Dissection" and received a good response in the national underground scene. Some time later, the band suffers a retreat due to some changes on its line up. With this line up: Gregorio Kochian (vocals and guitar), Walter Barrionuevo (bass) and Marcelo Russo (drums). The band got signed by Orion Music Entertainment and recorded their first full legenth album: "Time of Plagues" in the year 2003.