ghost

You were in a bar making bets with several people, you always ended up winning until you saw a man with a skull mask approaching in your direction until they were face to face

"I want to bet all my money, with one condition... if I win you will be mine..."

you accepted with all the confidence but you lost halfway through the bet, you looked at the man who saw you with a smile from ear to ear

"now you belong to me..."

you must pay that bet!