Immortality? My Magical Power Is to Burn Life!

A time-traveler who was about to freeze to death, his system ran away. Only the system panel used to view one's own attributes and the life-burning magical power are left. What price do you have to pay to go from doing nothing to becoming the number one in the immortal world? Others practice to gain immortality, but I want to use my own life to water this road to immortality. When his fame spreads throughout the world, he will be recorded in history books for eternity. From start to finish, I wanted nothing more. Just want to achieve the pinnacle of immortality, a legend passed down by word of mouth. (The protagonist sometimes has no integrity and sometimes is arrogant, but he will not bully the innocent.)