Douluo Continent: I am the Cave Demon Spider, may I have many children and much happiness.

Mo Tian transmigrated into the body of a cave spider in the Sunset Forest.
According to the plot, he will soon become Tang San's fourth spirit ring.
Fortunately, the "Many Children, Many Blessings" system is activated, and you will become stronger as long as you give birth to offspring!
then…
"Ding! You have gained your first offspring, rewarding you with bloodline evolution. Your bloodline has been upgraded to the Cave Demon Spider King! Your strength has increased!"
"Ding! You have gained a second offspring. As a reward, your martial soul has evolved, your bloodline has been upgraded to the Earth Demon Spider Emperor, and your strength has increased!"
"Ding! You have obtained your...th offspring. Reward: Heart of the Sea God. Your bloodline has been upgraded to Earth Spider Demon Lord! Your strength has increased!"
...
Years later, the Earth Spider Demon Lord became the ruler of the Douluo Continent, and both soul beasts and humans bowed down to him.

Novel keywords: Douluo: I am the Cave Demon Spider, Many Children, Many Blessings (no pop-ups), Douluo: I am the Cave Demon Spider, Many Children, Many Blessings (full text download), Douluo: I am the Cave Demon Spider, Many Children, Many Blessings (latest chapter reading)