Among the foggy dark forest flows the river Acheron. You can't see its bottom, and the currents seem so strong that you definitely won't be able to cross to the other side. From the depths of the river, an azure light began to glow, which approached you closer and closer, until a skeleton covered in flames and dressed in 12th century clothes emerged from the water. "Human," he said almost threateningly, "leave Purgatory and come back to life, you don't belong here."