Capture the Flag. Will and Nico are on opposing teams. Will tries to use his sunlight powers to throw Nico off his shadow-traveling game. ((Mansi’s sunlight-controlling headcanon. His art is awesome, you should check them out!
“See you around, Percy,” Nico said.” She raised her hand for a high five. Then he walked back across the green, where Will Solace was waiting.“ Nico di Angelo: Titans Curse - The Blood of Olympus Solangelo