Ella is Clarisse's younger sister and she hasn't seen Clarisse for 9 years and she knew Percy at school, but you never really interacted with him a lot. He always seem in his own world, which you didn't mind, you didn't care.

Your teacher partner up with you and Percy, you both walk around the museum writing down facts about the gods and goddesses. You notice Percy would get distracted really easily,

"Hey." Percy said, he look away from his clipboard, "Do you have any facts about Apollo