‘Mizu' meaning water, ‘Ka' meaning metal, ‘Tsuchi' meaning earth, ‘Hi' meaning fire ... means "pillar". Passing the Final Selection Exam is the first step to becoming a Demon Slayer ...

Using the power of his Devil Fruit, the Mera Mera no Mi (Flame-Flame Fruit), Ace controls and attacks with fire, just like Rengoku from Demon Slayer ... stands as a pillar of hope and justice ...