It's hard to have a home in suburbian with a white picket fence when the world needs saving. Instead, brave adventurers rent inn rooms or sleep under the stars, wandering - like a hobo - killing whatever monsters or bandits unfortunate enough to cross their path.
Every tabletop gamer has heard of rolling a "natural twenty."
But what happens when you roll the dice when the stars are right and the elder Old Gods are stirring in their dreamless undying sleeps? What happens when your twenty is... unnatural?
Player Characters will often come up with the most bizarre and needlessly complex schemes imaginable in order to perform simple tasks. Gamemasters are often faced with the unenviable option of letting the plan succeed decide all odds and logic, or trashing their carefully scripted plans for the rest of the campaign.