I Have an Army of Billions of Monsters

Reborn into a world a hundred years after another world invaded! The life copy system is awakened! You can have as many powerful monsters as you want! Nine-life cat demon, island whale, sun-eating wolf, starry sky giant turtle... Not only can any creature be copied, but it can also evolve continuously! In this life, Tang Yi is no longer mediocre, but leads hundreds of millions of monsters to occupy countless planes and becomes the sole ruler of countless worlds! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.