In the magic tower of the Congress' headquarter in Allyn.
The always young and vigorous Rachel had put on a dark magic robe, which revealed her heavy mood. She had been waiting for the final result of the experiments conducted by His Excellency Mr. Brook and Mr. Lauren, wondering what the results would be and if they could deny Lucien's light quantum hypothesis.
Affected by her best friend Samantha, Rachel's cognitive world had changed a lot in the past three years. She was no longer a solid supporter of the wave theory of light, instead, she was now even leaning towards Lucien Evans' hypothesis. However, all the knowledge that she had acquired since she was an apprentice, together with the classic double-slit interference image as well as the Brook bright spot, all reminded her that light displayed the nature of the wave.
