Preston smiled faintly after taking three sips of the medicine and wrote on the paper. He listed down all the herbs in the medicine.

When he was halfway through, he took another sip to ensure he did everything correctly. When he was sure of his judgment, he listed the rest of the ingredients. It took him less than 10 minutes.

"I'm done." Preston raised his hand to inform the invigilators that he finished. Although he spoke softly, he managed to attract the attention of everyone in the hall.