Viktor Krum gave Vizet a meaningful look, then raised his wand and, following the method Vizet had provided, cast the Night Vision Spell on himself.
"A very strong sensation..." A look of pleasant surprise crossed his face. "As if I were back on the pitch. Even the roar in my ears isn't as strong as my heartbeat."
He had only taken one sip of the Petrification Potion when his arm froze in place, clearly already affected by the potion's effects.
Vizet raised his wand and aimed it at Viktor Krum, casting the Universal Counter-Curse. "Finite Incantatem!"
Viktor Krum regained his ability to move, placed the potion bottle on the table, and pressed a hand to his chest.
"I can feel it... as if it passed through my heart, then quickly spread through my whole body... If my perception hadn't been enhanced, I don't think I would have experienced such a clear sensation."
"Does it really work like that?" Harry asked with an odd expression. "Why do I feel like, when I'm in the Hospital Wing, after some potions go down, my mouth and stomach feel worse?"
"You can try the Petrification Potion on the table," Draco suggested. "But I think perhaps it's a problem with you yourself. You'd better go to St. Mungo's for a proper checkup."
Vizet kept his face taut, trying hard not to let himself smile. Harry's question was actually not that easy to answer.
After all, under normal circumstances, very few Potioneers would ensure a potion's effects while adding all kinds of strange things into it.
"Then let's try the Full Body-Bind Curse..." Vizet finally managed to hold back his laughter and aimed the tip of his wand at Viktor Krum. "Mr. Krum, are you ready?"
Viktor Krum nodded. "Of course!"
"Petrificus Totalus!" Vizet chanted the