Genetically uplifted dolphins and orcas offer Blue Planet players a unique opportunity to roleplay characters who are at once familiar and strikingly alien. Ancient Echoes, the fifth supplement for the Blue Planet v2 RPG line, will give players and GMs all the information they need to roleplay genlifted cetacean characters and incorporate them into a Blue Planet campaign. Ancient Echoes includes:Descriptions of the physiology and psychology of genlifted cetaceansDetails on cetacean history, culture, and societyInformation about the cetaceans' unique worldviewDetails on cetacean factions, from the Deep Ocean Cadre to the Church of Whalesong TheogonyGuidelines to help players get the most out of roleplaying cetacean charactersTips for GMs on designing scenarios for cetacean charactersAncient Echoes is a 128-page hardcover sourcebook.