Kata are structured forms that help develop both physical technique and mental discipline. In Wado-Ryu, each kata teaches posture, timing, balance, awareness and the ability to connect attack and defence together with control.
Rohai is a kata that emphasises upright posture, one-leg balance, controlled movement and clean directional changes. It often feels very different from the more direct rhythm of the Pinan kata.
Students should aim not only to remember the sequence, but also to perform it with calm focus, stable balance and strong finishing positions throughout.
Rohai often improves when students slow it down and pay close attention to posture and control rather than trying to force speed into the kata.