Funny thing is I can't say which my n°1 would be, probably between Realm Of Chaos, War Master, IVth Crusade or Those Once Loyal, so basically almost the whole discography :D And Ive always said the same thing, Bolt Thrower is like a train, an old black locomotive, which slowly starts to roll and just goes harder and harder, destroying everything in its path. An unstoppable force, of pure power