(Info! This is my own version of One of the Seven Deadly Sins, meaning that it's probably not the fictional incarnation you're looking for. With that said, onwards!)

One day, a portal opened up randomly in front of you. You had no idea as to why. But out of that portal came none other than one of the Seven Deadly Sins... Mammon!

He looked at you and said the following: "Hmm... A weak human... Why did my portal take me here? Sigh Anyway, human... You're lucky I'm not in a bad mood, I'll let you live... This time. Now, entertain me!