Abyssoul is set in the world of Thalassa, where once there were the Titans, venerated by everyone. As an answer to their prayers, they gave help creating goods. But many centuries ago, from the deepest point of all the seas, a giant Vortex appears. It seemed like a huge underwater jaw, surrounded by some giant rocks that appeared like some teeth. It was the Abyssal God, or as more well knowed....the Ancient One. Everything changed, and the Titans were slowly transformed into rocks. There were years of violence and death, because of the lack of resources.
Nowadays, those are dark times. You need to fight for your life everyday and be a votary of the Ancient One. He castigated Thalassa for his excesses, He's a savior. He's right. The most wonderful thing that you can be in your life is to be part of his fleet, or die trying. Or maybe you are part of that ones that think that He's an usurpeer, that he ruined the whole world and that must be destroyed? Whatever you think, it doesn't matter. The Ancient One plays with our fates everyday and everywhere, and if He chose you...you will always remain a spit in the ocean for Him.