Let us cut back to the Astronomy Tower.
At the top of the Astronomy Tower, magical screen B lit up.
Harry and Ernie Macmillan were huddled beneath a single Invisibility Cloak, cautiously approaching their target area from the shadows at the edge of the Forbidden Forest.
The winter afternoon sunlight was pale and weak, gilding the thinly frosted grass with a false warmth.
"Look over there, Harry."
Ernie lowered his voice, his knowledge of Herbology proving enormously useful at that moment.
"That's a variant of mandrake. Whatever you do, don't step on it. Its roots imitate a baby's cries. Of course, I know you must know that.
"Heh, but what you don't know is that this variant's cries aren't aimed at wizards.
"They draw in every adult fantastic beast within three kilometers instead. That's downright devious. We're far too close to Professor Hagrid's pasture here."
Harry nodded admiringly and followed Ernie's directions, slipping silently through the tangled plants like a wildcat.
Up in the Astronomy Tower, Professor Sprout proudly puffed out her chest at Professor McGonagall.
"Do you see that, Minerva?"
She spoke with pride.
"That is Hufflepuff wisdom! Solid, dependable, and never taking risks! Ernie Macmillan is one of the finest students I've had in recent years!"
After successfully avoiding several dangerous magical plant traps, Harry accidentally stepped onto a patch of seemingly ordinary grass.
In an instant, an unbearable, bone-deep itch shot from the soles of his feet straight to the crown of his head!
The seemingly soft blades of grass instantly became as tough as ropes, growing rapidly upward to bind his and Ernie's ankles tight before they began frantically tickling them.
With two thuds, Harry and Ernie fell to the ground, writhing and struggling in agony beneath the Invisibility Cloak.
"Damn it! It's Fred and George's