Help! Am I Actually an S-Class Devil?

[The protagonist has different personalities in the early and late stages + no heroine + big slow-burning setting] Natural disasters have come to the world, and demonic forbidden areas and divine ruins are scattered all over the world. Shen Linyuan, a newly promoted time traveler, opened his eyes and stood in the S-class demon restricted area, with countless strange corpses at his feet. "Where did this come from?" =͟͟͞͞(꒪ᗜ꒪ ‧̣̥̇) He wanders between restricted areas and ruins, and wherever he goes, gods and demons become his nourishment. However, as he devoured more and more, fragments of his memory began to emerge, and the forgotten truths were gradually revealed. He realized that he was not a human being, but an S-class devouring demon, an existence that had devoured countless gods and demons. "It turns out that I am the most terrifying taboo in the world!" Wander through the ruins of gods and devour the ancient divine power. "You said God cannot be looked at directly? He cannot be described? Sorry, I ate too fast just now and didn't taste it." Classic scene: Silent Monastery: Inside the monastery, the whispers of the God of the Dark Abyss make those who step into it fall into hallucinations and their souls are corrupted. When Shen Linyuan stepped into the monastery, the whisper echoed in his ears, but he swallowed it whole. The God of Dark Abyss appeared from the shadows and tried to tear him apart, but Shen Linyuan caught him with his backhand and stuffed him directly into his mouth. "It tastes good, but a little fishy." Bloody Manor: In the manor, time is distorted, and anyone who steps in will age and die in an endless time loop. "Welcome to my domain, Shen Linyuan. This will be your grave..." "Too much nonsense." Shen Linyuan grabbed Cronus, stuffed him into his mouth and swallowed him. "The meat is so good..."