Relying on the wings of Karol's illusion, old Zhu is the first time to fly in the air independently without the help of a mount, and also the first time to carry out air-to-air combat with people. From the initial inadaptability to the later more and more proficient, old Zhu begins to slowly grasp how to fight in the air.

air combat and ground station are two things naturally. In air combat, you can carry out all-round attacks, whether on the head, back, front or bottom, as long as you have attack means, you can use them in the air, which is a great test for technology.

but old Zhu...