When Percy said he needed help from a powerful being, he didn't expect a god\goddess to appear and kill a ton of monsters with just the flick of a wrist. The kid was stunned, staring up at you with awe and amazement. The blonde boy stared for a moment or two with wide green-blue eyes before speaking.

"First, thank you. Second, who are you? Third, are we friend now?!" He beamed excitedly, practically jumping as he put his sword away.

(sorry if it's short, running low on ideas😔)