Imagine if Obscura by Gorguts had a progressive black metal cousin. If so, this album would be it. Just like Gorguts' masterpiece, Written In Waters manages to be extraordinarily unconventional yet at the same time still being one of the best albums in the genre itself.
This is very interesting progressive black metal. A big aspect that I can really appreciate about it is that there no focus on just one instrument (bass can even be heard well which is rare in black metal). The weakness of this album is the vocals are not extremely amazing, they are just OK (cleans and screaming).