Mantus born at 2007 by Darkcrow, the band have a mid raw and little atomspheric stile, denominate "deep antichristian black metal", the words talk about antireligion, satanism, hate, death and misantrophy.
Mantus never has give a live concert because Darkcrow dont like enter another musicians on this band, all of mantus is created by him, for example : graphic design of covers, recordings, mixes, compositions, instruments...
Darkcrow plays on antoher two bands:
BLASPHEMER (thrash metal): vocals bassguitar
IBLISH (Black metal): bassguitar, chorus

Source : DARKCROW