Percy Jackson & The Olympians was one of the ... The legend of Achilles states that his mother dipped him in the River Styx, the water that runs through the Underworld, to make him invulnerable.

Walker Scobell may be the biggest Percy Jackson fan on the planet ... when he jumps into the river Styx, that moment where he’s underwater and Annabeth pulls him out, and he sees her in the ...