Lore:Terminus (journal)
...the depth of the Wound is a magical impossibility in that is literally bottomless. It does not open up on the other side of the planet (if indeed Aveum is truly a planet). There isn't a giant, endless pile of wreckage somewhere down there, either. Instead, things that fall too far down into the Wound simply cease to exist.
At a depth of 219 devits, objects disintegrate in a small explosion of pale fire. This terminus is a constant, extending underground to the cracks that spread outward from the Wound. Birds that dive too far into the Wound are common victims of disintegration.
If an object is partially submerged past the terminus plane, that portion of it will burn away. Afterwards, no amount of restoration or healing magic can ever make the affected object whole again. The Wound's erasures, however small, are permanent. The Pentadi legends of vessels that allow for travel or exploration beyond the terminus are just that...