Next were Feline Mutated Animals, but since most of them were solitary creatures and had yet to form populations, they did not pose much of a threat for the time being.
Lastly came common poultry such as mutated chickens, ducks, and geese. However, because they were small and not particularly aggressive, the threat they posed was fairly limited.
Of course, some scattered Mutated Creatures also joined the attacks, so the authorities were still compiling the Monster Bestiary.
After all, this was only the early stage of mutation. There were not many types of Monsters yet, and few of the Monsters Yang Yu remembered from reading the Original Work in his previous life had appeared. Only Pig-type Monsters had shown up in large numbers.
This was Yang Yu's first time seeing Bovine Monsters.
After arriving at the battlefield, Yang Yu looked ahead and saw dozens of Mutated Demon Oxen assaulting the third line of defense.
Mutated Bovine Monsters were generally larger, with even more exaggerated muscles.
Their surface defenses were also terrifying. Even Vulcan Machine Guns could not penetrate them!
That was why the military had no immediate way to deal with them.
But firing missiles for the sake of a few dozen Demon Oxen was not worthwhile.
With Yang Yu and Jia Yi joining the battle, Monsters that could be dealt with without using high-yield missiles would be left to Martial Artists.
Precious shells, missiles, and other high-powered weapons would be saved for more critical moments later on.
After all, ammunition stockpiles were limited, transportation was difficult now, and the entire country needed weapons and ammunition support.
So they had to save whatever they could.
Yang Yu understood as well. Strength could be recovered after it was spent, and battle could temper the Martial Way and accelerate improvements in physical