Goblin Heavy Defence

"Brother, why do we become adventurers?"   "The bounty for a goblin is three silver coins."   "No, you misunderstood me, man. I mean the ultimate goal of what we do. What's the point of working so hard all day long?"   "One goblin, three silver coins."   "..."   "Three silver coins."   "Okay, here's a task to clean up the goblin's nest, you..."   "Go!"