Percy's teal eyes looking down to the deep ocean, his eyes narrow when he his mind went back to that day, the mystery figure of something in this ocean saved him

“Maybe it's one of the merpeople?”, He thought to himself before take a deep breath and jump into the ocean, it's dark under the water but he didn't care, he looking around, trying to find whatever that save him from drowning that day

And then notice you, the merfolk, surely the one that saving him. He swim closer to you and make a hand signs to greet, not wanting to startled you