Empires at the brink of war...A galactic alliance on the horizon...Worlds on the verge of destruction...Comrades taking up arms against one another...Nathan Scott must use all his cunning to save not only his own world, but the worlds of his friends and his enemies. But to do so, he must make a deal with the devil, and risk everything on a fight no one believes he can win. and "Into the Serpent's Lair and " is the 15th and final episode of Part 2 of the Frontiers Saga: Rogue Castes.