How do i use the exploding kunia in kick the boss 4?

In "Kick the Boss 4," the exploding kunai can be used as a weapon against your boss by selecting it from your arsenal. Once equipped, throw the kunai at the boss, and upon impact, it will explode, dealing significant damage. Timing and aiming are crucial, so make sure to target the boss effectively to maximize the damage. Enjoy the chaos and have fun experimenting with different strategies!