A Villainous Life, Beginning with the Power to Devour

From the start, he devours a dragon and goes all in on increasing his HP, reaching 1,000,000+... He becomes an unbeatable cockroach!

A rain of swords fills the sky? He crawls out of the blood mist beneath 9,999 sword auras: "How about you guys take a break?"

A sea of thunder and fire? He swims in a pool of magma for seven days. "Can't you at least bring me a glass of ice water? I'm about to die of thirst."

A hundred poisons attack his heart? An S-rank poison master poisons him for a year, making him immune to every toxin.

Can a punching bag rewrite the fate of an entire magical continent?