So the Major Event Affecting the Ninja World’s Situation Is Pressuring Me to Get Married?

If that metal's molecular structure was too compact and the intermolecular forces were too strong, to the point where even Blaze Release's disintegration ability had little effect, then he could use Amaterasu. Amaterasu would continue burning for an hour and could burn anything. He had already copied the Kagutsuchi on Uchiha Hikari, so he only needed to keep an eye on it.