Investigation Continues

In the days after returning to Hogwarts, life returned to its usual rhythm.

Harry read in the tower in the mornings, helped Pabbie water the flowers in the Greenhouse in the afternoons, and took walks outside the castle with Cassandra in the evenings.

On Wednesday evening, while Harry sat by the windowsill flipping through his birdwatching notebook, his phone vibrated.

He picked it up and glanced at it. It was a message from Isabelle: "The Technical Group's remote monitoring data shows that the Fluctuation Center produced a new signal on the fourth day after the pulses stopped. The signal is much weaker than last time, but its frequency is different. The Technical Group would like you to go over and confirm it again. If it's convenient for you, leave the day after tomorrow."

Harry handed the phone to Cassandra. She took it, read through the message, then returned it to him. "It appeared again."

"Isabelle said the frequency is different from last time, and the intensity is much lower."

"Then let's go again," Cassandra said. "We can bring more equipment this time. If the signal continues, we may need to stay a few extra days."

Harry replied to Isabelle, confirming that they would leave the day after tomorrow. Then he sent Veratia a brief message telling her about the new signal. Veratia replied quickly with only two words: "Got it."

The next morning, Harry went to the Greenhouse and told Pabbie that he had to leave on another trip.

Pabbie was trimming dead leaves from a row of sage. Her hands paused when she heard him. "Going to Norway again?"

"The Technical Group detected another new signal at that Fluctuation Center. The frequency is different from last time, and it's weaker."

"How long will you be gone this time?"

"I'm