After Time Travel, I Became Grandpa Destiny

After time travel, I became an old grandfather who was about to die. Seeing that time was running out, I accidentally awakened the destiny system. Help the Son of Destiny complete the mission and you can gain endless lifespan and magical powers. So in order to gain eternal life for himself, he quickly looked for the Son of Destiny to grow him up. In short, I will do what the Son of Destiny cannot do, and I will kill those who cannot be killed by the Son of Destiny. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.