I dunno man. That ninja tool seemed pretty handy.Kunai depends on who uses it. Minato scared the shit out of Ay and Bee with a flying thunder god slash. Itachi scared the shit out of Akatsuki with mere kunai(Akatsuki never knew about his magic weapons), that Pain and Intangible Tobi never dared attack village during his lifetime. To think that Genin Sarada is in thier league, scaring hell outta S-rank Class Shinobi. While look at that poor clone with his sad curse enhancements. He slacked his ass off so bad, no amount of power-buffing'd allow him reach Sarada kunai level.