Behemoth frontman, Adam ‘Nergal’ Darski, to release autobiography Sacrum Profanum. Behemoth frontman, Adam ‘Nergal’ Darski, announced that he has been working on an autobiography, Sacrum Profanum, which will chronicle more than twenty years of his life, including his hard-fought battle with leukemia. Sounding like a true musician (and not a Pulitzer Prize-winning ...