Pre campaign knowledge

About Tanares Expeditions: Central Sea, from BoardGameGeek:

Step into the turbulent waters of the Central Sea, where a dark and sinister force threatens to engulf the entire realm in chaos. Pirates and sailors alike are losing their minds, driven mad by an ancient evil rising from the depths. In this 1-4 player epic pirate adventure, you are the most feared pirate of the seas, the only hope against an upcoming doom that seeks to drown the world in corruption and despair. This crawler offers one of the most exciting and strategic experiences, blending the depth of classic dungeon-crawlers with the dynamic excitement of roguelite mechanics. As you sail through perilous quests, your hero will grow stronger both during and between adventures, allowing you to create devastating combos that turn the tide of battle in your favor. Customize your Sea Lord with unique powers and strategies, creating powerful synergies. With engaging, fast-paced gameplay and a richly immersive narrative, every turn brings new challenges and opportunities to prove your dominance over the seas and reshape the fate of the world. -description from the publisher