At the time of the pope candidates episode.0

Grid got a great chance to study Raphael's Spear. He repeatedly disassembled and reassembled a myth rated item and raised his understanding to 100%. This was valuable research that couldn’t be converted into money. It was a dream that other blacksmiths couldn’t even hope for.0

"Cry, Yakult."1

It wasn’t difficult for Grid to raise his understanding of Iyarugt, which was still only unique rated. It was very easy compared to understanding Raphael's Spear. Grid was now able to control Iyarugt without resorting to Blackening.0

However, the renaming failed.0

[Iyarugt is the best sword of hell! You, don’t replace my noble name just because you find it hard to pronounce!]0

Iyarugt had tremendous pride in his name. He followed Grid, but he couldn’t accept a new name. He didn’t know what it meant, but he felt an instinctive rejection towards Yakult. Grid didn’t care. The sword would obey his command, no...0