Aikido passive skill: after the skill is released, it can improve the attack speed and enhance the output ability.
An empty net skill: it can block the enemy's bullets with a certain probability and counterattack, which can strengthen its own defense.
Panda's second skill: throwing bamboo can cause harm and make the enemy dizzy, which is an effective means to control the enemy.
To sum up, Aikido and Panda both performed well in the prequel of Primitive Knight, and which role to choose can be decided according to the player's game style and preferences.