While Sirius Black and the others were getting ready, Vizet took the "Soul Stone" Monocle from his pocket, set it before his eye, and looked at the glass bottle Neville had taken out.
With the help of the Magic Eye, Vizet began analyzing the small sprig of aquatic grass inside the glass bottle.
After Neville and Hanna had recognized their talents and focused more on Herbology, their abilities in that area had indeed gradually begun to show, and the aquatic grass in the glass bottle was excellent proof of that.
The aquatic grass itself was extremely common. In the ever-changing depths of the Black Lake, choosing such a common aquatic plant was less likely to alert Magical creatures.
Christmas Cactus in the Magical World was rather special. Only after Herbalists improved Devil's Snare did they gradually cultivate this Magical Plant known as Christmas Cactus.
Devil's Snare itself was aggressive. It could stretch out snake-like vines and coil around prey that came near it until they died.
In the process of improving Devil's Snare, Herbalists reduced its inherent aggression, making the improved Devil's Snare friendlier and more likely to grow close to humans.
Christmas Cactus, cultivated from improved Devil's Snare, could sense the presence of humans and even display its fondness for them by dancing.
Vizet could tell that Neville had used the Life Condensation Curse to transfer Christmas Cactus's trait of "liking to be close to people" to the aquatic grass.
Aside from that, Devil's Snare's trait of extending vines to chase prey had also been condensed by Neville through the Life Condensation Curse, and he had successfully bestowed it upon the aquatic grass.
That way, whenever a human came near the aquatic grass improved by the Life Condensation Curse, it would show its affinity for humans and actively approach