Tower Defense: My Buildings Can Mutate Infinitely

Evil forces swept the world, and mankind was driven into desolation. Defending against endless evil creatures is the only hope for survival. Chen Yifan awakens the two genetic powers of mutation and high-energy chain to dominate the wilderness! Arrow Tower → Mechanical Arrow Tower → Ice Pattern Alchemy Arrow Tower → Time and Space Hunting Tower. Artillery → Chain Annihilation Cannon → Purgatory Smoke Cannon → Nether Energy Ring-Eating Cannon. Fence → Spore Plague Wall → Mutated Virus Wall → Alienized Clothing Giant. Wood Vine → Thorn Wood Vine → Arc Wrapped Wood Vine → Crown Tattoo Queen. … A: "It's too thin! Master Yifan is too thin!" Person B: "666! This wave is invincible! The Abyss Legion is on the 999th floor!" Chen Yifan: "It is forbidden to shout comments such as too thin, 666, etc. If you think it is good, please come and say 'That's it?' To encourage!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.