The lobby is the main screen, and it is the first screen when accessing the game. 

1. Representative Character

 - The hero who is set as a representative character will display as an icon.

 - It is linked with the environment setting menu. (account / sound / notice / language)

2. User Level

 - Same definition as account level. 

 - Several contents are restricted, and it is depending on the user level. 

 - For enjoying higher-level content should level up the user level. 

3. Currency

 - Main currencies are diamond, gold, and action point. 

4. Post 

 - the reward can be received through the delivered post.

 -You can check the notice through the delivered post.

5. Chatting window

 -Able to use All / Normal/ Guild/ Whisper chatting functions.

6. By watching In-app advertising able to obtain free diamonds. 

 - Able to obtain 10 diamonds through watching short advertisements.

 - 10 times per day.

7. Story Quest

 - there will be a current quest displayed on the screen.

8. Menu

 - Able to use several functions by activating the menu.

 - Spirit Altar, Friends, Illustration, Ranking, Quest, forge, Market, Guild, Team Composition, Attendance Check, etc. 

9. Current team set

 - You can check the heroes at the party. 

 - You can change the hero through [menu] → [set team]

10. Bonus effect

 - It is buff with a bonus effect

11. Package

 - Able to check the package on sale.

12. Events

 - Able to check the running event.

13. Bag

 - It is inventory, and able to shop multiple items by each tab.

14. hero

 - You can check the list of heroes you had.

 - You can check the list of heroes as your needs by the filter.

 - Able to check the detailed information of the hero.

15. Summon

 - You can summon hero/ weapon/ armor/ rune.

 - You can summon by diamonds or friendship points.

 - Free summons are available in the [summon] → [hero] tab by watching short advertisements for a certain period.

16. Shop

 - There are several shops where offer various items.

 - Free items are available in the [shop] → [currency] tab by watching short advertisements for a certain period.

17. Tower of the Abyss

 - Content that can only be challenged for a certain period of time.

 - This is a high difficulty challenge dungeon, and it is tower goes to the basement.

 - Only able to enter when reach user level 15.

18. Synergy Dungeon

 - The synergy buff is activated when heroes are bound in the same party.

 - Able to enter Synergy Dungeon, when you hero under the synergy buff.

19. Adventure

 - This is the basic content, and it consumes action points during the adventure.

 - The adventure consists of 3 difficulty levels: Normal, hero, and epic.