1, Unlock Dungeons: The expansion time capsule can be used to unlock specific dungeons, allowing you to challenge specific time-space roaming teams. After unlocking the dungeon, you can team up with players to challenge the time and space roaming dungeon.

2. Reward: After completing the time-space roaming dungeon challenge, you can get special rewards, such as illusion equipment, mounts, toys, etc. These awards are usually related to a specific version and have collectible value.

3. Experience the classic content: By expanding the time capsule, you can experience the classic version of World of Warcraft, such as dungeons and team copies. This is very interesting for those players who want to relive the classic content.