http://z13.invisionfree.com - Watch Percy Jackson: Sea of Monsters Online Free But this is easier said than done because they would first have to undertake a precarious journey fraught with monsters to reach it. Our hero Percy is thus joined by his friends Annabeth (Alexandra Daddario) and Grover (Brandon Jackson) to take on the challenge.A spanner is thrown in the works as the villain Lucas (Jake Abel) is also in hot pursuit of the Golden Fleece. He needs it to summon the demon lord Trigon who used to rule the earth. This will help him become master of the world and exact revenge from his father Hermes the god of speed.