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**Diablo IV Game Guide**

**Player Data and Connectivity**

In Diablo IV, player data is stored on the Battle.net servers, requiring a constant connection throughout gameplay. Despite Battle.net’s regional divisions (Asia, Europe, America, etc.), all Diablo IV game servers are globally interconnected. This means players from different countries can freely form teams and play together.

**Server and Connectivity Notes**

Currently, there is no Asian server based in mainland China. To ensure a smooth gaming experience, players in this region may need to use a reliable VPN service.

**Gameplay Overview**

Diablo IV retains much of the gameplay style from its predecessors, making it accessible for returning players. The game features four difficulty levels, with towns and world maps available as public areas across all difficulties. Players within the same area can share experience and loot without needing to form a team, although dungeons remain either personal or team-based.

**Main Quest**

- **Character Requirement**: Your first character on Battle.net must complete the main quests to unlock certain strongholds and game features. Once these quests are completed, subsequent characters (trumpets) can skip the main quest if desired, similar to World of Warcraft's system.

**Expression Management**

- **New Feature**: Diablo IV introduces expression management. Press 'E' in-game to access the expression wheel, allowing players to select and use various expressions. These are integrated into gameplay tasks and interaction prompts, requiring players to engage with emotional expressions to fully experience the game.

**Wild Treasure Hunting**

- **Public Map Exploration**: The world map is a public area with dynamic levels, allowing players to explore freely regardless of their level.

- **World Events**: Encounter a variety of events, such as world bosses and demon invasions. Players can complete these events without forming a team, and rewards are shared across participants. If you’re present during an event but others complete it shortly after, you will still receive a share of the loot, though you need to pick up the drops yourself.

- **Silent Treasure Chests**: These require a Whispering Key, purchased with Whispering Ancient Coins (Blood Rock Fragments). These chests drop loot equivalent to rare monsters and are influenced by map difficulty. It’s advisable to open them only on higher difficulty maps.

**World Quest**

- **Access Requirement**: To unlock World Quests, your first Battle.net character must complete all main quests. Subsequent characters can engage in these quests without restrictions.

- **Mechanics**: In Chapter 5, players interact with a world tree that offers rewards based on completing tasks. The tasks are similar to Diablo III’s running map tasks but reward 1-5 points of Terror Favor. Accumulate 10 points to earn rewards from treasure chests, with points rolling over to future rounds if exceeded.

**Dungeons and Secret Realms**

- **Regular Dungeons**: The game map includes one large dungeon (Fallen Temple), over 100 ordinary dungeons, dozens of story dungeons, and many caves. Dungeon difficulty and loot are aligned with the selected game difficulty.

- **Nightmare Dungeons**: To access Nightmare Dungeons (Great Secret Realms), you must be level 50. The difficulty and rewards are based on the level of the nightmare talisman used. Obtain primary talismans through world quest rewards and advanced ones from the Great Secret Realm. Low-level talismans can be converted into advanced ones at the illusionist.

- **Usage**: Activate the Greater Secret Realm mode by using the seal of the corresponding copy from your backpack. Players need to manually enter these dungeons.

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