In Adventures of Mana, you can choose from various character classes, including the Warrior, Mage, and Thief. Each class has unique abilities and playstyles, allowing players to customize their gameplay experience.

To level up your character in Adventures of Mana, you need to gain experience points (EXP) by defeating enemies and completing quests. Accumulating enough EXP will increase your character's level, enhancing abilities and unlocking new skills.

To defeat difficult bosses, you should prepare adequately by leveling up your character, equipping powerful weapons, and using healing items. Learning the boss's attack patterns and exploiting weaknesses is crucial for success.

To progress in the storyline of Adventures of Mana, complete main quests and interact with characters throughout the game. Pay attention to dialogue and clues provided by NPCs, as they will guide you to your next objectives.

For advanced combat strategies, consider these steps: 1. Utilize environment to dodge attacks and avoid damage. 2. Use magic and special abilities strategically to maximize damage. 3. Learn enemy behavior to time your attacks effectively. 4. Equip accessories that boost your stats according to your playstyle.