"Help!"
Pomona arrived beneath the Whomping Willow and saw a student "hanging" from one of its branches. Unfortunately, he was from Hufflepuff.
"What are you doing up there, Diego?" Pomona shouted.
"Help, Head of House!" The moment Diego saw someone had come, he immediately cried out. This startled the Whomping Willow, and just as it was about to swing its branches and shake the "debris" from the tree, Pomona struck the scar on its trunk with Stupefy.
"Come down quickly! It won't hurt you now!" Pomona told Diego.
Diego immediately climbed down from the branch as fast as he could. Pomona took the opportunity to gather the bark and leaves the Potions professor wanted.
By the time Diego's feet touched the ground, Pomona had gathered nearly enough bark and leaves as well. The two quickly left the Whomping Willow's attack range.
"What happened?" Pomona asked Diego. "How did you end up in the tree?"
"Gathering leaves, like you," Diego said.
"That's dangerous, you know?" Pomona asked.
"I know. That tree killed a student," Diego said.
Pomona had no idea how the rumor had become so distorted. In any case, apart from his torn robes, Diego was unharmed.
"I hope you can keep this secret. You can't tell anyone what you just saw," Pomona said.
"No problem," Diego said. "I promise I won't tell anyone."
Even if Diego did let it slip, it would not have been a major issue. There were no more "ghosts" in the Shrieking Shack now, and besides, not everyone could discover the secret passage beneath the Whomping Willow.
As a warning, Pomona told Diego to come to her for "detention" one day before the holidays. Then she went to the greenhouse.
After putting away the ingredients, she headed to the abandoned greenhouse that had once stored