[Requirement] The character reaches lv. 15.
* If a symbol of "Crossing Swords" is hanging above the stage, it means that this stage is open for challenge. Each challenge consumes 12 points of stamina.
* When the player passes a stage, a grading based on the number of dying heros will show up with the highest grade of three stars.
* Blitz will be unlocked once the player get three stars in a stage. Blitz enables players to earn drops, EXP, and other rewards only by stamina without battles.
* During the battle, the player can choose to release heros' skills automatically or not.
* Everytime the player passes a stage of Elite Dungeon, he/she will get a chest.
* For the grade of 7, 14, 21 stars of Chapter grading, three corresponding chests will be given to the player.
* Players mainly earn Gold, EXP, Prism, and Shards from Elite Dungeon.