Raiders Of The Serpent Sea - Campaign Guide (5E)GLORY IS YOURS FOR THE TAKING! Centuries ago, upon a vast, beautiful, and wondrous world, a horde of vile beings known as the Yoten destroyed the heroic Vanir. The survivors fled to a new world, Grimnir. Vast and inhospitable, many died in the early years. Yet, it was a place to rebuild. Generations have passed but the memory of the old worlds death is never forgotten. Their descendants, the raiders, are ever vigilant and watch for the Yotens return.