The Boss Battle

was a  ADJECTIVE adventurer. One day they traveled to  PLACE and found an angry  NOUN about to attack. The adventurer started  VERB ENDING IN ING. The  SAME NOUN AS LAST TIME saw how tough they were, and  PAST TENSE VERB from shock. The adventurer saw the thing  VERB ENDING IN ING on the ground, dead. They looked over and saw a shiny chest behind it. The adventurer opened it and found a  NOUN. "Wow," they said "This is very  ADJECTIVE." They put it in their  SOMETHING THAT CAN BE USED TO CARRY THINGS and strided home.