At the Beginning of the Universe, You Are Invincible, and the Boss Mistakenly Falls into the Group of Novices.

Have a mobile phone...

This prehistoric world looks very low-level. Several low-dimensional worlds have come over. Will they be upgraded after breathing? You weren't crushed to death either? Even if you eat it, you won't become an immortal or explode.

This chat group looks boring

I feel this is pretty good.