If you begin the Devil's Arm Quest, After a few Devil's Arm's, go to Altimira and sleep at the inn. Say yes that you want to go out at night. Head to the Casino Area. Go on the bridge and you will see a young man. He says he will sell you a kendama for 1,000 Gald. Say yes and then check your Gald. You actually spent 0 Gald!