This is a mythical world. No system, no panels, no data. Everything operates according to the rules of the world itself. The longer the alien beast lives, the larger it becomes and the stronger it becomes. A hundred-year-old beast starts with a size of more than ten meters, and by a thousand years it is tens of meters or even hundreds of meters. It is a moving natural disaster that is over ten thousand years old, and it is a legendary existence that is one hundred thousand years old. It may be as big as a mountain.
But there are rare exceptions - some individuals do not grow larger as they grow, remaining smaller in size. This type of individual is extremely rare, and its strength far exceeds that of the same level. It is the opponent that all hunters least want to encounter. Because small size means more concentrated strength, faster speed, and more difficult to deal with.