At the Beginning of the Hospital Dungeon, I Activated the Old Godhead

A stone slab covered with eye patterns forcibly dragged me into Arkham Yard. There are never any ordinary patients here, only prey harvested by strange creatures. At midnight every night, a copy of the rules is forcibly opened, and violators are torn into pieces and assimilated. Only by clearing the level can they survive. On the first night of the novice ward copy, I was on the verge of death, and the old godhead suddenly awakened in my body. The high-ranking power crushed all the strange things, passed the test exceptionally, and was labeled as the highest threat [epidemic] by the hospital. After in-depth exploration, I discovered that there is an ancient altar hidden under the hospital, and a gray-white door isolates the entropic decayers who devour order. Thirteen night watchmen used their heartbeats as locks, wearing down the iron hinges for hundreds of years to guard the barrier between the two realms. I was shocked to learn that my father, who had been missing for hundreds of years, was the first generation guardian of the void. His body temperature was only 31 degrees, and with a heartbeat of five times per minute, he guarded the void alone for a hundred years. The traitors of the secret keepers betrayed the defense line, and the strangeness of the void began to penetrate reality. In a desperate situation where the rules were forcing mortals to death, I used my old divine form to break through the situation. I gathered twenty-one elements to protect my heartbeat, formed a constant-temperature circuit, and used my own body temperature to suppress entropic decay. My name was engraved on the altar schedule and I became the twenty-second substitute gatekeeper. I made an iron rule: if your body temperature is lower than 36.5℃, You will never leave this hospital. Quietly waiting for the day when the meteorite iron hinge breaks, and personally takes back the father who has spent his whole life in this world.