Base is now covered in stone

[LordKAA]

As Chilling said, unfortunately this area was expanded in order to stop exploiters. The items are not retrievable.

Boundary Spillway cave filled in resulting in 1000s of items lost!

It’s a tough pill to swallow. The sad thing is, the exploiters have most likely already found a way to get back under there, and claim their stuff. Hopefully it fixed the issue, I suppose that would be some sort of consolation.

New cliff walls inside cave at boundary spillway

Yes unfortunately this is intended. I lost a lot of items;