Tower Defense: My Buildings Can Mutate Infinitely

Evil creatures invade, and the will of the earth awakens at a critical moment to build a shelter world. Defending against endless evil creatures is the only hope for survival. Feng You awakened the two talents of mutation and high-energy chain, and made the base impregnable, blocking countless evil creatures from outside. 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. Wooden Vine → Thorn Thorn Flower → Demon Thorn Controlling Spirit Maiden → Queen. … A: "It's too thin! Master Feng You is too thin!" Person B: "666! This wave is invincible! The Abyss Legion is on the 999th floor!" Feng You: "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?' For encouragement!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.