Noah didn't recklessly approach his project. He probably was the best expert in the entire world regarding reckless training methods, but he had friends that surpassed him in many fields.
King Elbas' knowledge about inscription methods had never stopped increasing, and his growth had even quickened exponentially after remaining in the city for so long. He was the first expert that Noah sought, but his answers weren't conclusive.
"The breakthrough to the ninth rank is too personal to have opinions, especially for existences who wield higher energy,"
"It's a matter of harmony, but I can't be certain without enough data,"
"Why would anyone even try to reach the ninth rank with centers of power so close to the breakthrough?"