The Hole

The Hole is a massive area located at the center of the Pencilcosmos with a few verses, including The Black Realm, orbiting it. The Hole has extreme gravity, and will pull anything that is within its range into it. The fate of the things swallowed by The Hole is unknown. Things right before they get fully pulled into The Hole are reported to turn invisible and then disappear once more than 90% of the thing is swallowed.

The Hole is currently increasing its gravity at a very slow pace.

The Hole, due to how it does not rotate or move, has been used as a basis for many measurements of directions, the main one being the Cardinal Directions of the Pencilcosmos.

Relationship to the End of the Pencilcosmos
The Hole is heavily associated with the end of the Pencilcosmos, as it is thought that it will completely swallow the Pencilcosmos once its gravity becomes strong enough. The time this will take is usually claimed to be 16 Eras. So far, the Pencilcosmos has only experienced 4 Eras.

It is unknown how The Hole increases its gravity, although the only thing that is known is that its gravity increases via some unknown periodic interval.

Theories
The Hole, due to its mysterious nature, has many theories speculating about it.

One major theory is that The Hole is a "mouth" of a larger, much more powerful entity that is currently feeding off of the Pencilcosmos and other gigantic constructs.

Strange Instances
The Hole, around the 1st Era, was growing big enough to consume The Black Realm. While The Hole was pulling in in TBR, The Elder, an Awefian trapped within the realm had died. This also prompted the Pencils to escape The Black Realm. The Hole didn't consume the entirety of the reality and abruptly stopped doing so right when all the Pencils had escaped. Strangely enough, this also formed a ring of Hiwfite, marking the first appearance of the corruptive material.