It is no surprise that Save Us From The Archon's is a fiery blaze of instrumental post-hardcore with complex melodic riffs and interwoven dreamy interludes. So I'm going to go straight to their ostensible love of film, as I am constantly wont to do.
There are plenty of ways to make noise. We have come to accept this from the overwhelming canonization of metal, which has given way to a plethora of sub-genres spanning from funeral doom to goregrind. Yes, it is surprising, perhaps even ironic, that such highly distorted cacophonies can be so multi-tiered.