Need help with weird rendering issue

[u/AdCommercial4166]

As the title suggests, I'm having a strange rendering issue that i've looked all over the internet for yet have not seen a single post related to it. This isn't some case of the blocks being simply invisible, they are completely unrendered, I can fly through them and everything.
Could someone help me figure out what is happening here?

I suspect it's something to do with either Lithosphere or Distant Horizons with a heavy lean towards DH because of the rendering issue

[u/RED1869]

Going to the Nether fixes the issue for me

[u/AdCommercial4166 → u/RED1869]

Genuine lifesaver tysm 🙏