The Life of a Monster Begins with Gaining the Power of Devouring

At the beginning, he devoured a dragon, and he increased his HP to 1,000,000+... Becoming an unbeatable little strongman! … Swords raining all over the sky? He climbed out of the blood mist with 9999 sword energy: "How about you guys take a break?" Thunder and fire start a prairie fire? He swam in the lava pool for seven days. "You can't give me a glass of ice water. I feel like I'm going to die of thirst." A hundred poisons eating the heart? The S-class Poison Master poisoned him for a year, training him to be invulnerable to all poisons; … Can a sandbag rewrite the entire magical continent?