Tom Forget of AllMusic said: "Rather than being played, their instrumental compositions seem to unfold, revealing their mysteries at a pace that requires patience,"[4] while Cosmo Lee of Pitchfork Media said: "The record doesn't mandate how to listen to it.

[5] Like its predecessor, Mare Decendrii features several guest and session musicians, including members of Melvins, Earth, Circle, Sunn O))) and Wolves in the Throne Room.

With the artwork, it was great to collapse personal narrative, and meaning into something made for the specific purpose of packaging the recording, and keeping in mind the aesthetics and feelings that both bands have created.

"[7] Craig Hayes of PopMatters gave the album eight-out-of-ten stars, stating: "Bless Them That Curse You illustrates the full potential of two idiosyncratic and hugely creative entities working together harmoniously—seeking out the ties that bind.

[10] In 2014, Italian fashion designer Prada reached out to Mamiffer through SIGE requesting permission to use their song "Flower of the Field" in a commercial featuring Ethan Hawke.

Coloccia described the album as thematically feeling incomplete and imperfect and that it is "an exploration of subconscious and psychic bonds between the past and present, and the ways in which the musical devices of repetition and incantation create hands across the chasm that divide the human from the divine.

"[16] In November 2017 it was announced that Mamiffer will release a compilation of samples they used throughout the years at live shows and on studio albums titled Recordings For Lilac III.