The three rings that Atlas wore on his left ring finger, middle finger, and index finger gave him certain powers.
He had obtained a ring from Circe that granted him affinity towards all living beings and a more stable mind, Demeter had given him a truly powerful ring that provided him with resistance against many elements, and Athena, as the master of craftsmanship, had given Atlas a ring that would protect him from a deadly attack three times.
With this, Atlas's training was completely finished. He had truly done the best he could during this entire period, acquiring the best possible education and managing to spend this time in detail.
During the intervening period, Atlas had already passed the age of eighteen. He was now considered a full adult, and all his titles had been transferred to him.
In short, the title of Duke, which had been granted to him by rank, had suddenly become his own.
