However, as firearms began evolving more and more, this form of weapon gradually withdrew from history.

Unexpectedly, the Japanese ninjas were actually still using this kind of weapon.

As soon as he was moving the sole of his shoes, Charlie realized this guy was actually preparing to unlock the trigger for the dagger in his sole.

Moreover, he had already completed about eighty percent of the entire S-shaped movement. As long as he moved another one centimetre in the right direction, then the dagger would suddenly pop out from the tip of his shoes!

At this time, Aota had already made up his mind. As soon as he found the right opportunity, he would use the shuriken in his hand to attract the other party’s attention first. When Charlie’s attention was fixed on the shuriken, he would immediately launch an attack against him using the dagger on his ninja shoes.

When that time arrived, all four sharp blades would come at the same time, attacking from top and bottom. As long as one of t