After a year of dual training, Gray wouldn't make any claims about anything else, but when it came to his body, he dared say he'd reached the level of physical conditioning Lucci had when he first appeared in the original story.
In other words, the level of a Marine Headquarters Vice Admiral.
His powerful physique, combined with the fact that he was still at an age when his body was developing rapidly, had made his Armament Haki grow quickly in quantity. As for its quality, that would have to be tempered in battle later.
Still, once he had enough of it, the rest would be easy. And thanks to Doflamingo's money-spending tactics in the Underworld, everyone in the family who could use Armament Haki had learned the three techniques: Hardening, Entanglement, and Emission.
As for Internal Destruction, or the Ryuo technique, that was simply not something money could buy. Those who knew the technique were all powerful figures on the sea or leaders of major forces. They had no shortage of money and wouldn't sell the Ryuo technique for it.
If Armament Haki had grown considerably, Observation Haki had grown even more noticeably.
Gray already had a powerful soul, and with the technique of refining it through the Soul Magnetic Field, both the quantity and range of his Observation Haki had increased dramatically.
He hadn't reached the level of Future Sight, but if he fought Kuzan again, at least he wouldn't be overwhelmed by his opponent's Observation Haki.
A Logia user's ability to turn into an element in advance came down to having a higher level of Observation Haki than their opponent, or being at the same top-tier level.
With superior Observation Haki, they could naturally transform into their element and evade an attack before it landed. That was why