like other bands you will first need aguitar, Bass Guitar, or pair of drums. you also need to know what heavy metal sounds like there are many types of heavy metal. after you get a taste of metal decide what metal you like from early metal like black sabbath to the thrash of megadeth, as long as you play "heavy metal" music you are basically a heavy metal band
Pantera got m. Shadows into metal music so he started the band avenged sevenfold
They are a Power Metal and Symphonic Metal band.
Heavy Metal/Rock Metal
Neither. They are a psychobilly band (psychobilly is a sub-genre of punk music). Also, "metal" and "heavy metal" are the same thing.
Quartz - metal band - ended in 1983.
Pantera is a metal band. Anthrax is both.
Attila - metal band - was created in 2005.
Inquisition - metal band - was created in 1989.
Deadlock - metal band - was created in 1997.
Orpheus - metal band - was created in 2008.
Scrap Metal - band - was created in 1983.
Quartz - metal band - was created in 1974.