Dumbledore's expression turned grave, and the wand he thrust forward let out a piercing whistle through the air.
Whoosh!
As Dumbledore thrust out his wand, an invisible gale appeared from nowhere.
The gale collided with the Fiendfyre serpent, yet the wind proved stronger, blowing the Fiendfyre serpent back and preventing it from drawing near.
Like a dandelion scattered by the wind, the Fiendfyre serpent grew ever thinner, becoming a straight chain linking Dumbledore's wand to Voldemort's.
Among the wizards watching through the hazy green light were some who had personally experienced the "Père Lachaise Cemetery Incident." They knew how much effort from how many wizards it took to dispel Fiendfyre once it had taken shape.
Yet Dumbledore had accomplished this feat alone, effortlessly containing the Fiendfyre that had been consuming Heroes' Square.
"Tom, have a taste of Fiendfyre yourself..." Dumbledore raised his wand. This time, he swung it in a broad arc, tugging the Fiendfyre chain into an astonishingly curved wave.
In the blink of an eye, the wave had reached Voldemort, wrapping him and the silver shield of light together. Then the flames surged, engulfing Voldemort.
The fiery prison resembled molten glass, radiating an exceptionally bright, warm orange glow. Voldemort could vaguely be seen trapped inside, though his figure had become terribly distorted.
Voldemort maintained the silver shield of light, doing everything he could to keep the Fiendfyre from harming him.
Surrounded by such searing heat, he instead gradually calmed down and rapidly considered how to resolve his current predicament.
After acquiring Durmstrang's library, his magical abilities had improved once more.
Yet what he had not expected was that Dumbledore's magical abilities had improved again as well.
In his original calculations, even if he could not destroy Dumbledore today, he should at least have held the upper hand—not