As a force that could not be produced until the Ming Dynasty, its position was too late and its appearance rate was almost zero. It was better to delegate it to the second era,Attributes can be fine tuned.
There are three benefits:
Firstly, it supplements the disadvantages of China’s early anti heavy armour units, secondly, it can greatly improve its appearance rate. Finally, the grenade itself is also a feature of early firearms, which is more in line with history.