Ultimate Ships is a comprehensive expansion to the Pathfinder Second Edition rules for sailing, building, and battling ships! Ultimate Ships provides extensive new rules for ship-to-ship combat, including special piloting actions and ways to handle every possible situation on the high seas, as well as simplified rules to make naval combat quicker and easier instead. You'll also find a full armory of ships to buy, as well as over 15 game-changing new modifications for customizing them! You'll also find a complete ruleset for fleet combat, allowing players to command a fleet of dozens of vessels using a simple but rewarding variant of the combat system. You'll also find tons of other nautical tidbits.
