The battle system is a gathering place for various dungeon challenges, consisting of five major dungeons. This page mainly introduces the breath of the black dragon.

Copy name: Black Dragon's Breath

Challenge difficulty: It is divided into six different levels of difficulty: simple, ordinary, difficult, hero, nightmare, and hell.

Challenge Conditions: The hero can open the dungeon when he reaches level 20, and unlock a new difficulty for every ten levels.

Number of challenges: Open every Wednesday, Saturday and Sunday, and you can challenge twice a day.

Challenge Reward: Challenge Success will gain experience and a lot of experience Mercenary Pack.

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