"Fou looked very happy. Was it because we were going to subjugate Koyanskaya? Come to think of it, Koyanskaya also seemed to be Beast IV, just like Fou. Was that why they'd always disliked each other?"
While Chaldea prepared to subjugate Koyanskaya, Shen Fei also looked into her situation. She and Fou were both halves of Beast IV, similar to Kama and Sessyoin. They apparently could not merge either, though that was only Shen Fei's speculation. After all, if they could merge into a complete Beast IV, Koyanskaya could not possibly have left Fou alone.
There was another possibility as well: Koyanskaya might not have been able to devour Fou, which was why she had not attacked him. Fou was Beast IV too, and he had not lost his power yet. If they truly fought, Fou would not necessarily be the weaker one. As for the original work, Fou had lost his power then, and Koyanskaya probably did not attack because he was no longer Beast IV at the time.
"Has the cause of that Tunguska Explosion really never been determined?" After the meeting ended, Shen Fei curiously asked Sherlock Holmes. Koyanskaya's hiding place was not far from the Russian Lostbelt.
"In fact, when the massive explosion occurred over Tunguska in 1908, it was not initially believed to have been an explosion. It was an intense flash of light. That sight remains vividly etched in my memory even now," Sherlock Holmes said slowly.
"Mr. Holmes, I remember you were in Britain at the time." Just as Shen Fei was about to speak, Mash immediately voiced the same doubt in his mind.
By that point in time, 1908, Sherlock Holmes was naturally still alive. But the Tunguska Explosion had happened in Russia, thousands of kilometers away.
"That intense radiance could be