You suck down the creature’s bright orange insides. As you slowly perform the breaststroke, you make sure to breathe in those helpful air pockets. Eventually, you claw your way to freedom.
You manage to hold your monster liquor pretty well. After you shake the slime from your body, you grab your Sword of Righteousness and slice glob after glob off the goo cube. Eventually, the monster is smaller than a housecat, and you punt it away with your Boot of Conclusiveness.
The villagers throw a feast in your honor at the alehouse. The drink of the night is monster slime formed into tiny squares. Congratulations are in order. For in this world, you are the co-inventor of jello shots, which makes you a true hero.