Hole Filled Notebook

Hole-Filled Notebook can be found in Mt. Yavhlix.

What is more terrifying than Nothing? It's a monster, a beast, a slithering horror of red and black tentacles bound together by a bloody ribcage. At its head, an empty hole, deep as the cosmic abyss. It's maw ensues terror, and delivers it swiftly. What could we call such a hideous miscreation of sin?