The Abyssal Key

After awakening his rune-based powers, Alex begins an epic journey aboard a roving fortress with a growing harem of allies. As they head to the city of Seren for the next phase of his power development, they face numerous enemies, including the mysterious Rilahn. With the odds stacked against him, Alex must navigate these challenges and work with his companions to reach Seren in time to save its people and enhance his abilities.