"Well, I guess I should tell
...When Dark was only 4 years old, a con-man tricked Dark's mom into giving all her money to him. When Darks father found out, he killed her, and then killed himself. Ever since then, Dark vowed to find that man and make him read this..."
Lucario pulled out a letter
"...While growing up, Dark began to get in debt, so to get this money, he had to become a con-man, became the man he chased..."
Lucario sat down Dark on a rock
"...One day, Dark met a man, claiming to be the person who con'd his parents. Dark went insane and killed him there."
Lucario fed Dark some pills
"It's not his fault he's like this..."