Players travel the world via a pirate ship and play different roles, plus embark on quests, collect treasures, and engage in combat with other pirates. (techtimes.com)
The first element, one that we already knew about, was the ability to use enemies as a human shield while engaged in combat. (thatvideogameblog.com)
Any enemy that has a large health bar on the bottom of the screen when engaged in combat is considered a boss. (speedsouls.com)