Ancient Magic Power was extremely special. The most direct example was that it could fuse with all kinds of magic, using the properties of Ancient Magic Power to give spells certain special effects.
Clearly, Salazar Slytherin had made use of this, granting the locket an extraordinary Protective Magic.
Vizet pointed at the locket and added, "Its form is that of a locket, but from the start, we were thinking of destroying it, not of opening it."
"As a locket, naturally, the sturdier the shell, the better. Some magic will produce different effects because of differences in parts or materials, such as the Hanging Shrieking Curse."
"It should have been obvious..." At Vizet's reminder, Dumbledore smiled and shook his head. "That is the basic function of a locket... I nearly forgot."
"I nearly forgot too..." Vizet also smiled. "But obviously, if we want to open this locket... we probably can't use ordinary methods."
The reason he said this was because on the frame made of silver, he could not see even the slightest seam.
"Since this is an object left behind by Salazar Slytherin..." Dumbledore stroked his beard.
"And since Voldemort took a liking to it and chose it as a vessel for his soul. Perhaps it requires some extremely special ability..."
"That was my thought as well." When Vizet focused his attention, the locket actually began to tremble;
It was as if a mouse hiding in a cave had sensed the presence of its natural enemy and instinctively made some unusual reaction.
"Open!" Vizet showed not the slightest pity. His tone turned cold, and he let out a "hiss" like a venomous snake flicking its tongue.
Salazar Slytherin's most special ability was naturally Parseltongue, and he had applied it in many places, such as the Chamber of Secrets he had