You can choose one Angel of Light and one Angel of Darkness to fight for you. The Angel can be summoned to transform by clicking the skill icon or using shortcut keys, using ‘E’ key to summon the Angel of Light, and ‘R’ key to summon the Angel of Darkness. The Angel Skill not only cool and powerful but also invincible during the time of transformation.
You can check the Angel you owned in the Angel Panel, you also can train the Angel in this interface.
The Angels can be obtained by complete task and operation event. Each angel can permanently increase player attributes. The higher the tier, the more attributes are added, which means own more angels can increase your BR. The combat power and attributes of Angels are stackable!