Refractory Metal (9/9). Twins of Zirconium, Hafnium is the calm and cunning one between the two, usually helping from the shadow, Hafnium is the head of the special operation of their army. Hafnium chinese name contain 合 character which mean to close/united, it’s looks very much like a zirconium, and both are on the same group as Titanium, which mean it’s another durable and hard metal. Abilities: Metal Arsenal-Closed Gale. Gale summoning dual Tonfa. “𝘍𝘳𝘦𝘦𝘥𝘰𝘮, 𝘵𝘩𝘦 𝘨𝘪𝘧𝘵 𝘰𝘧 𝘵𝘩𝘦 𝘸𝘪𝘯𝘥 𝘵𝘰 𝘶𝘴”.