Key items and quest items are crucial for progressing the World Tour story and unlocking new areas or features. These items are typically obtained by completing specific quests or defeating certain enemies.
- Access Cards: Used to unlock restricted areas or buildings.
- Intel Documents: Provide crucial information about the main storyline or side quests.
- Master's Gifts: Specific items that, when given to a Master, significantly increase your bond level. Each Master has preferred gifts.
- Special Tools: Items required for specific mini-games or environmental puzzles.
These items are usually stored in a separate inventory tab and cannot be sold or discarded. Always check your inventory if you're stuck on a quest, as a key item might be the solution.