Do you know what the most terrifying thing in this world is?
That’s right, it’s the human heart, and its greed!
I used to be a cheat, a cardsharp at the gambling table, a king in the eyes of others. I once made enough money in a single night to fill a room, and I kept telling myself that I had to stop.
But in the end, I became a puppet ruled by greed.
I want to use my experiences to give you a sincere warning.
Stay away from greed, stay away from gambling!
Because no matter what kind of gambler you are, even if you’re the king of all cardsharps, you’ll never come to a good end. In the end, greed will defeat you, leaving you with nothing. There are no exceptions.
This is a tragic road that is destined to have no light at the end!
It's too exaggerated, but the protagonist's thinking and professional wisdom are not relevant, and the readability is not strong.