System: Master, One Sword to Slay the Immortals!

Zhang Xiaoling, a young man from Earth, was reborn in another world and lived there for eighteen years. Only after his family kicked him out did he awaken a System! [Congratulations, Host! You have successfully activated the Eternal Longevity System!] Ding! [Congratulations, Host! You have received a coming-of-age gift. Please claim it!] [Please click Confirm within 10 seconds to claim it, or the reward will be canceled.] Ding! Ding! “Claim it!” Zhang Xiaoling's spirits soared, and he quickly claimed the reward before the ten seconds were up. Then he opened the birthday gift pack. [Ding! Congratulations, Host! You have received the Eternal Longevity Physique. Immortality value +1.]