The Old Ancestor Takes You to the Myriad Worlds to Grind Levels

After transmigrating to another world 150 years ago, Lin Tianheng finally awakens his System in his twilight years. “I became a Grandmaster all by myself, and now that I'm about to die, you give me a family disciple cultivation System? I worked myself to the bone to build this huge estate, and now you expect me to train this bunch of brats? Do you really think I'm just your tool?” “What? Completing missions can extend my life! And I can go wild in the Myriad Worlds?” “Ahem. That's amazing. I mean, I absolutely have to whip those little rascals in my family into shape.” “Get to training, every last one of you! Or I'll beat you to a pulp, you little brats!” This is the story of an elderly transmigrator leveling up and showing off across the Myriad Worlds with his sons, grandsons, great-grandsons, great-great-grandsons...