Well he just wears a black shirt, kunais and shurikens unless you know how to make stuff with resin or wood you'll probably have to buy those. The head band, just get some of those sheets of metal from like hobby lobby and fabric and you got that made. Only really hard part would be the jacket, which is sold like everywhere, or ya can just buy some fabric and do it yourself.
Everything is clearer now
Life is just a dream you know, it's never ending