In 5.5, your goal is to get . For example: Grandmaster Logistics (4) + Grandmaster Destructive Magic (4) + Grandmaster Sorcery (4) + Grandmaster Enlightenment (4) = The "Perfect 16."
specifically for , you should focus on the transition between the original base game and its expansions. While version 1.6 was the final official patch for the base game, it did not significantly alter the skill tree structure established in version 1.5. Feature Concept: "The Legacy Wheel (v1.6)"