Lyric discussion by a day late 

Cover art for Skullflower lyrics by Sound of Animals Fighting, The

The Sanskrit is sung in halftones. Half tones are used in a lot of tribal music, as well to create a tension release sound in music; much like they use. If you notice when the Sanskrit comes in, the guitar distortion flips more and is panned across the speakers, and feedback loops too. This all helps create a tension, and that tension is released with Anthony singing. Little music theory 101 for you : )