The standard shuriken is great for speed and Ninjutsu spam, but the Yulan slams have insane AoE. You’re hitting multiple staggered enemies at once, and the cleave is way bigger than you’d expect.
The argument for the Haegeum (often referred to as a "large instrument" in translated contexts because of its vertical playing style compared to smaller handheld fiddles) typically centers on several factors:
Yuffie Kisaragi, known to her friends as Yuffie, was always on the move, wandering through the forests and mountains of the Planet, searching for the next great treasure or adventure. Her home, the forest of Wutai, had been her playground and hunting ground since she was a child. With her ninja skills and insatiable curiosity, she had become a legend among her peers, not just for her prowess in battle but also for her unmatched ability to sniff out secrets and treasures.
Resonant Thump (Charged)
You lose a little ranged utility and the throw-and-retrieve mobility, but that’s what your other party members are for. Let Tifa handle the dodging. Yuffie’s job is to drop the hammer—or in this case, drop the instrument .