After Du Wei asked about the cost of using the Coin.
Father Tony was quite embarrassed, "Uh... the cost... the cost is substantial."
Du Wei frowned and said, "How substantial?"
Luck is something completely subjective, and the Coin possessing this power is very rare.
If the cost of using it wasn't too severe, he didn't mind considering it as his last trump card.
The next second.
Father Tony replied, "There are two Evil Spirits in this Coin, the obverse is a skull, and the reverse is a scythe."
"No matter which side your coin lands on, you will encounter an Evil Spirit."
"In other words, the cost is that they will haunt you until the day you die."
"Most importantly, if you land on the reverse side, which is the unlucky side, there's a chance the Evil Spirit will attack you directly... because that's also part of the misfortune."
"The obverse signifies good fortune, but sometimes too much luck can be a problem as well."