Year Albums Lineup Style
1981
  Rick Hilyard - drums
John Tetley - bass
Mark Briody - guitars, keyboards
Harry "The Tyrant" "Leviathan Thisiren" Conklin - vocals
US Power metal
1982
 
1983
Tyrants [EP]
1984
Ample Destruction John Tetley - bass
Mark Briody - guitars, keyboards
Harry "The Tyrant" "Leviathan Thisiren" Conklin - vocals
Joey Tafolla - guitars
Reynold "Butch" Carlsson - drums
1985
  John Tetley - bass
Mark Briody - guitars, keyboards
Harry "The Tyrant" "Leviathan Thisiren" Conklin - vocals
Joey Tafolla - guitars
Reynold "Butch" Carlsson - drums
Chris Cronk - vocals
1986
Shadow Thief [Demo] John Tetley - bass
Mark Briody - guitars, keyboards
Harry "The Tyrant" "Leviathan Thisiren" Conklin - vocals
Christian Lasegue - guitars
1987
  John Tetley - bass
Mark Briody - guitars, keyboards
Christian Lasegue - guitars
Bob Parduba - vocals
Rikard Stjernquist - drums
1988
 
1989
   
1990
 
1991
 
1992
 
1993
 
1994
Dissident Alliance Chris Hostka - guitars
Joey Tafolla - guitars
Daniel J. Conca - vocals
Rikard Stjernquist - drums
John Tetley - bass
Mark Briody - guitars, keyboards
1995
 
1996
The Return [Demo] Chris Hostka - guitars
Joey Tafolla - guitars
Rikard Stjernquist - drums
John Tetley - bass
Mark Briody - guitars, keyboards
Harry "The Tyrant" "Leviathan Thisiren" Conklin - vocals
1997
The Fourth Judgement Rikard Stjernquist - drums
John Tetley - bass
Mark Briody - guitars, keyboards
Harry "The Tyrant" "Leviathan Thisiren" Conklin - vocals
Christopher "Chris" Broderick - guitars
1998
The Age Of Mastery
1999
 
2000
Thane To The Throne
2001
Mechanized Warfare
2002
 
2003
 
2004
Chain Of Command
Casting The Stones
2005
 
2006
 
2007
 
2008
  Rikard Stjernquist - drums
John Tetley - bass
Mark Briody - guitars, keyboards
Harry "The Tyrant" "Leviathan Thisiren" Conklin - vocals
Christian Lasegue - guitars
2009
 
2010
 
2011
The Scourge Of The Light