Is the Insect Farmer Too Weak? Have You Ever Seen Billions of Zerg?

In this world invaded by zombies, adults over the age of 18 can change jobs to defend themselves against zombies from another space. "I am a berserker, who can stop me in my blood-rage state?" "Haha, as a Qi Refiner, I can fly in the sky and escape from the earth, and I can do anything!" "No matter how you change your profession, you can't resist my sword." "Watch me perform the art of multiple shadow clones!" As a top student, Lin Fan chose the most rubbish Z-level profession - insect farmer. However, he always ranked first on the list in the secret trial realm. "My children, eat everything to your heart's content!" Lin Fan said towards the hundreds of millions of Zerg troops behind him.