Open [Record] > [Book] to check all the available Heroes and Equipment information in the game.

■ Book

1. Collection

 - Rewards are given when you collect all the heroes for each theme.

 2. Hero List

  - You can check the information about all the heroes and its collection rewards.

  - Various information such as profile / skill information of the heroes that you don't have, and how to acquire them are also avaialble here.

 3. Equip List

  - You can check the information about all the equipment and its collection rewards.