>EAT the ROCKS to widen the CRACK.
You start eating around the crack.
Many hours pass.
You lose some of your increasingly precious FLUIDS to EVAPORATION.
You find the crack is narrower the deeper in you go.
As you previously assessed, it is completely impassible. No THING you could ever be would be SMALL or SQUISHY enough to fit through such a NARROW CRACK.
The CRACK angles slightly UPWARDS. You can't tell how far it extends.
It has grown DARKER.
You hear a distant IMPACT to the SOUTH-WEST.
It... it can leave the PIT?!