Level One, Ball and Chain Trooper
Level Two, Armos Knights
Level Three, Lamolas
Level Four, Moldorm
Level Five, Agnahim
Level Six, Helmassaur King
Level Seven, Arrghus
Level Eight, Mothula
Level Nine, Blind the Chief
Level Ten, Kholdstare 
Level Eleven, Viterous
Level Twelve, Trinexx
Level Thirteen, Agnahim
Level Fourteen, Ganon