"My name is Strange. As you can see, I'm a mage. Hmm... a mage who lives in a pair of Glasses."
"?"
Because of Will, Harry had never encountered a magical object with a mind of its own, so he had no suspicions about the Glasses at all. In fact, he was quite curious about this "Strange."
Strange claimed to have started school in 1891, a hundred years before Harry. According to him, his specialty was spatial magic, such as Apparition.
After graduating from Hogwarts, Strange had traveled around the world and even become the apprentice of a "Sorcerer Supreme" in China. After studying under his teacher for a time, he had roamed the world, protecting the weak from the powerful and upholding justice.
Unfortunately, a Dark Wizard who had studied under the same teacher ambushed him, leaving him badly wounded. Although he defeated his fellow apprentice, he no longer had the strength to travel the world.
In the end, this experienced, powerful, righteous, and knowledgeable wizard returned to England and became a Doctor in the Muggle world, saving lives while searching for a way to heal himself.
But his injuries were too severe to cure, and one experiment even inflicted extensive damage on his body.
During his final days, his good friend Armando Dippet, the Hogwarts Headmaster at the time, worked with him to make these Glasses, allowing his consciousness to enter them so that he could pass on his legacy.
His future students would uphold justice and save the world.
It was not that he had never encountered anyone else before. Those people had simply been either ill-intentioned, weak-willed, or lazy and negligent. None had deserved to be taught by him, Strange.
The moment Harry put on the Glasses, however, he knew that Harry was a magical prodigy