Allies

Ally, also known as Card in Japanese version, is a single unit that can be assigned as a team for battle or exploration. Each ally belongs to one of five classes and one of five types. Allies can also be categorized into four different rarities.

Allies can be obtained via summoning Contracts, fusing 20 Essence Fragments, or using items like and  that can be obtained after clearing a certain stages for the first time, buying certain pack, or doing contracts for a number of times. The player then can increase ally's HP and ATK through bond, level up, ascension, and potential.

Allies may also refer to a feature in NU: carnival where the player can find their allies.

List of regular allies
These regular allies can be obtained all the time. In the resources, they have 0 as the ID infix.

List of limited allies
These limited allies can be obtained only during a certain event. In the resources, they have 1+ as the ID infix.