Grim Butterfly

The is the opposing demon spirit of the Dream Butterfly, which seems to dwell deep within the Grim Comet itself initially seen glowing a pale blue.

History
Diving right in the very heart of the Grim Comet itself, Osamu Kirin had noticed it deep within and immediately realized that it was the true form of said comet.

Abilities
As a mighty spirit/deity of infinitely powerful unspecified dark/negative abilities, they may even equal or rival those of its counterpart of dreams.

Description
It initially appeared as a wide pale blue glowing martial. It later turned a pinkish red as it got closer to hatching. The Grim Butterly itself is a shiny green and black with beady red eyes and large shimmering wings. It's core resembles a temple with wooden floors, ceilings, and walls. It has wooden shelves with glowing orbs, and purple carpet.

Trivia

 * At the end of Resonance, the first half-cousins are seen confronting a big black butterfly surrounded by a blood-red sky.
 * Similarly to Naraku's giant form, this gigantic creature places a major role in the big battle of the series.

Appearances

 * Episode 44 (Hanyō no Yashahime)
 * Episode 45 (Hanyō no Yashahime)
 * Episode 46 (Hanyō no Yashahime)