Okay, sounds like you’re going to be a D-Class exploring SCP-3930.

Whatever is within it, does not exist. The void does not exist. If you enter it, you will cease to exist.

It’s not just meditation, but it’s also a strict diet. https://en.wikipedia.org/wiki/Buddhist_mummy

Depends on which world you end up on… because there are quite a few Space Marine legions you don’t want to be invaded by.