Asking About Immortality Through War

The cows and horses accidentally traveled through time, and found that they were still being cows and horses after crossing over. Are you kidding, then my time travel was not in vain. The good news is that there is a cheat, but the bad news is that the cheat is the speed of blood recovery. Co-authorship has to be beaten to be effective. No problem, now that you are here, let's be that immortal who is free from the world and lives as long as heaven and earth.