Talk:Adventurer/@comment-25712820-20150902002203/@comment-27557332-20160106193609

That might just be a different reference on Naberal's part. Adaman / Adamantite / Adamantium was used as a description of any very hard material. Diamond used to be called Adaman before the modern name was adopted. At one point Adaman was mistakenly associated for Lodestone, which is where the reference error probably comes in... Lodestone can be any kind of magnetic substance by definition, but naturally occuring magnets tend to be soft.

Sacred Gold can be another way to describe Orichalcum. Historic reference for Orichalcum actually value it under gold. It may have been a specific kind of Brass or Bronze alloy in reality.

Blue Soul is probably a reference for the material used to create Magatama. Originally IRL, Magatama were just simple decorations but ended up taking on some kind of religious significance later on. The oldest found RL are stone and there are instances of other common materials being used to make them. At some point it became common to use Jade to make them. Contemporary manga regularly show Magatama as blue or red, usually magical.