7 deadly sins

In a world full of monster and dragons. The world is a dangerous place. Though the biggest danger is oneself. One can fall into one of the 7 deadly sins. Causing them to turn into a beast/monster that represents the deadly sin that they fell into. A religious order called the Brotherhood of the Seven Thorns was formed they found a way to bind and control their deadly sin and use that power to go fight the creatures of the night.