Many Children and Many Blessings, I Can Strengthen My Reproductive Cells

Traveling through the world of immortality and bound to the tadpole strengthening system, you can use energy to strengthen your reproductive cells and obtain heirs with powerful talents. Spend a hundred energy to breed the best spiritual root. Spend one hundred thousand energy to breed super-grade spiritual roots. Spend 100 million energy to breed perfect spiritual roots. Spend tens of billions of energy to breed innate spiritual roots. … This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.