As the fire devoured his body, the more severe the wounds were on his body. The burn that was originally just a small wound on his back after so many years became as wide as a tattoo. Not only external wounds, but internal wounds are also getting stronger and more painful.
Every day, his body felt very hot like a fire was lit in his organs. The fire seemed to burn every blood, flesh, and tissue of his body. Making Nina continue to feel endless suffering. Plus it keeps getting added every year when Nina fails to master the holy fire.
Nina had been in critical condition very often because of the pain. Death was always inches away from picking him up, but the holy fire always brought him back to life. Because the holy fire is the embodiment of death and life that starts from a spark. It became a never-ending cycle of suffering.