The Cave Man - Vol. 2 Ch. 18 - Life Flash

[MangaDex]

 

[Skullkrusher]

"The cave is collapsing!"
"This is no cave..."
The creatures being immune cells of the cave would be a wild twist I never expected.

 

[ReGats]

Well, the cave is a live is as solid a theory as any, might as well go with that.

 

[nisashi13]

this is why you should always chew your food.

 

[Doomroar]

Now we are talking!

 

[AmethystLord]

God damn this dude is hardcore.

 

[nyanpass]

a caves gotta eat

 

[Hugh_Mann]

This reminds me of a found footage horror movie where some guys go to investigate some old church built on top of pagan ritual grounds and when they go underground they discover the old pagan god was literally the cave itself and the film crew get stuck in its digestive tract and end up as sacrifices. The movie is called "Final Prayer"