Before she realized it, Lucia had already been studying abroad for half a year, sharing the same major with Ethan: intelligent engineering. One day, their professor approached them with obvious excitement. "This year's Global AI Robotics Championship will be held in your country. The project you developed last time showed great potential. Improve it further and represent the university in the competition." Lucia was thrilled—it would be her first international competition. Ethan, on the other hand, remained calm. Winning awards had long since become routine for him. After making preparations, they flew back to the country together with several classmates. A few days before the competition were reserved for demonstrations and technical adjustments. Lucia and her teammates set up the Nort

