What is the role of the backup crown of the Vibrant Knight?

The role of the dynamic knight's reserve crown:

1, the role of the original knight's spare crown is to make himself invisible, so that the enemy can't attack himself, and using an attack will make himself visible;

2. In combat, when another weapon switches to the standby crown, it will automatically trigger the stealth effect.

3. Using the spare crown can restore the armor invisibly when the armor is broken.