Sometimes it just sounds like a wet fart (like Meshuggah tuned way down), but other times it can actually be pretty god-damned heavy. This is one of those cases, taking the already-thudding sound of Thy Art Is Murder and doing the obscene thing of tuning it down further on an 8-string guitar.
Is it necessary? Probably not, but it's an interesting experiment nonetheless. Go change your undies and then watch it below:
It does sound a little bit muddier when it's that low, but what do you think - does the original sound better?