Refractory Metal (6/9). Niobium is noble, calm, and refined lady who lives in recluse as nun, but dont be wrong she could still pierce the life out of you with her rocket thrust spear. Niobium got her name from Niobe, an ancient queen, but also have interesting chinese character which is 尼 with the meaning of buddhist nun, Niobium also known as durable metal and used in construction of rocket. Abilities: Metal Arsenal-Piercing Dharma. Rocket powered umbrella-spear. “𝘔𝘢𝘺 𝘢𝘭𝘭 𝘣𝘦𝘪𝘯𝘨 𝘧𝘳𝘦𝘦 𝘧𝘳𝘰𝘮 𝘴𝘶𝘧𝘧𝘦𝘳𝘪𝘯𝘨”.