I Can't Die in the Awakening and Rebirth System at the Beginning?

Chen Wenye came home from get off work in the middle of the night because he was hit by a semi-trailer on the cos speed bump on the road and was sent flying to the world of immortality. He unexpectedly awakened the rebirth system and embarked on the path of immortality without fear of death. ——"Do you have a sword? Although I can use a knife, I still like to use a sword." "Yes, what do you want a sword for?" "Kill the demon" ——"Even Heaven can't kill me, so why do you think you can!"