National Tower Defense: Cheating and Hard Attacking Infinite Dark Creatures

"Mom, save me!" Seeing the endless monsters coming, Chen Xiaole shouted heartbreakingly. He was originally a person who was very afraid of death, but he died unexpectedly! Travel into a strange dark space invaded by endless dark creatures! In this space, humans and other races are trapped in a towering tower defense world. Outside the tower defense world is endless darkness and monsters of all kinds. Whenever the tide of darkness surges, skeletons, zombies, hellhounds, witches, and other trillions of dark creatures will desperately attack the human tower defense world. Chen Xiaole burst into tears and awakened the "infinite evolution system". By collecting dark crystals, the summoned beasts can be infinitely advanced. "What?" First-level skeleton archer... Advanced to sixth-level skeleton archer, every shot is a skeleton arrow ultimate move? The first-level city wall... Advanced to the sixth-level city wall, with steel-like defense? A first-level mage... To a sixth-level mage, each skill will become bigger in seconds? … Chen Xiaole stopped and wiped away his tears. "Oh my god, I finally survived." Chen Xiaole, holding a cigarette in his mouth, directed his boys to attack the darkness...